Blog posts from Naples Computer Techs.

TPM and Secure Boot Explained Trusted Platform Module (TPM) The Trusted Platform Module is a dedicated microchip on your PC-s motherboard that provides hardware-based security functions. It generates, stores, and manages cryptographic keys in an isolated environment, ensuring sensitive data remains protected even if the operating system is compromised. Stores a unique storage root key whose private portion never leaves the TPM Creates and encrypts (-wraps-) keys so they can only be decrypted by that specific TPM Seals keys or data to particular hardware or firmware states, unsealing only when conditions match Exists as a physical chip, a soldered module, or firmware-based TPM (fTPM on AMD, PTT on Intel) Secure Boot Secure Boot is a UEFI firmware feature that ensures only software signed by trusted authorities can load during the boot process. By verifying digital signatures against a built-in database of approved keys, it stops malware (like rootkits) and unauthorized OS loaders from running before Windows starts. Executes in UEFI before any bootloader or OS code Checks each firmware, driver, and bootloader signature against firmware-stored key databases Rejects unsigned or tampered components, preventing low-level attacks Requires UEFI firmware with Secure Boot enabled and properly managed key configuration Would you like step-by-step guidance on checking your TPM status, enabling fTPM/PTT in BIOS, or turning on Secure Boot to meet Windows 11 requirements-

Hardware Requirements for Windows 11 Windows 11 introduces more stringent hardware requirements than its predecessor to support modern security, performance, and feature advancements. To install or upgrade, your PC must meet these minimum specifications without exception. Devices failing to comply may be blocked from updates or unable to install Windows 11 at all2. Minimum System Requirements Component Minimum Specification Processor 1 GHz or faster with two or more cores on a compatible 64-bit processor or SoC Memory (RAM) 4 GB Storage 64 GB or larger storage device System Firmware UEFI, Secure Boot capable TPM Trusted Platform Module (TPM) version 2.0 Graphics Compatible with DirectX 12 or later with WDDM 2.0 driver Display High-definition (720p) display greater than 9- diagonally, 8 bits per color channel

Advantages of Windows 11 over Windows 10 1. Modernized User Interface Windows 11 features a radically modernized design that centers the Start menu and Taskbar, employs Fluent Design principles like rounded corners and new animations, and delivers a more consistent look and feel across the entire operating system.2 2. Productivity Enhancements Snap Layouts and Snap Groups let you arrange windows in predefined or custom layouts and recall them instantly, simplifying complex workflows. Improved virtual desktops allow distinct wallpapers and easier switching between work, gaming, or personal environments. Integrated Widgets panel provides at-a-glance information-news, weather, calendar, stocks-without cluttering your desktop. 3. Enhanced Gaming Performance Windows 11 brings Auto HDR to enrich color and contrast in thousands of DirectX 11 and DirectX 12 games, plus DirectStorage to slash load times by leveraging modern NVMe SSD bandwidth. 4. Built-in AI with Microsoft Copilot Microsoft Copilot is natively integrated into Windows 11, surfacing AI-powered assistance for drafting text, summarizing documents, automating repetitive tasks, and even generating quick answers directly from the Taskbar. 5. Stronger Security and Long-Term Support Mandatory TPM 2.0 and Secure Boot requirements underpin features like Windows Hello, virtualization-based security (VBS), and enhanced kernel isolation for robust protection against evolving threats. Windows 10 will receive no new features after October 14, 2025, whereas Windows 11 is the exclusive path for future innovations and feature updates. 6. Expanded App Ecosystem The redesigned Microsoft Store in Windows 11 offers a cleaner interface, broader developer terms, and now supports running Android apps via the Amazon Appstore-unlocking mobile apps on your PC without emulation layers.

1. Lower Operating Costs Electricity typically costs a lot less than gasoline, translating to fuel savings of up to $15,000 over a 15-year ownership period. Electric vehicles (EVs) have fewer moving parts and don-t require oil changes, coolant flushes, or transmission servicing. Regenerative braking also extends the life of brake pads and rotors. 2. Environmental Benefits EVs produce zero tailpipe emissions, cutting out local air pollutants like NO- and particulate matter. When charged from a clean grid (wind, solar, hydro), EVs can reduce greenhouse gas emissions by roughly 50% over their lifecycle compared to gasoline cars. 3. Superior Performance and Driving Experience Instant torque delivery means quicker -off-the-line- acceleration and a more responsive throttle feel. Smooth and silent operation, with minimal vibration, offers a refined driving experience. 4. Convenience and Energy Independence Most EV owners plug in at home overnight, eliminating trips to the gas station. Charging infrastructure is expanding rapidly-from workplace chargers to highway fast-charging networks-supporting longer journeys. Using domestically produced electricity reduces dependence on imported oil. 5. Government Incentives Federal tax credits up to $7,500, plus various state and local rebates and perks (e.g., HOV lane access) can significantly lower upfront costs. Utility companies often offer reduced electricity rates or special EV charging plans to further boost savings. 6. Innovation and Future-Proofing Battery technology continues to improve, driving longer ranges and faster charging times. Software-driven platforms enable over-the-air updates, constantly enhancing performance, safety, and convenience features. Advantage Area Electric Vehicles Gasoline Cars Fuel/Energy Cost $0.03-$0.06 per mile (electricity) $0.10-$0.20 per mile (gasoline) Maintenance Lower: no oil changes, fewer wear items Higher: engine oil, filters, fluid changes Emissions Zero tailpipe; ~50% lower lifecycle GHG Significant tailpipe and lifecycle CO- Performance (0-60 mph) Instant torque; often faster launches Torque builds gradually via combustion Refuel/Recharge Time Home charging overnight; 30 min fast charge ~5 min at ubiquitous gas stations

MacBook Air 13-inch MacBook Air (M4, 2025) Processor: Apple M4 chip Performance: Smooth everyday multitasking, excellent web browsing, document editing, and light photo/video editing. Battery Life: Up to 18 hours of web use on a single charge. Verdict: Ideal for students and professionals needing portability and long battery life at a reasonable price. 15-inch MacBook Air (M4, 2025) Processor: Apple M4 chip Performance: Matches the 13-inch Air-s responsiveness, with extra screen real estate boosting productivity. Battery Life: Similar endurance (around 18 hours). Verdict: Best for those wanting a larger display without stepping up to the Pro line. 13-inch MacBook Air (M1, 2020) Processor: Apple M1 chip Performance: Still holds up for web, Office apps, and streaming, though it trails the M4 Air in multitasking benchmarks. Battery Life: Approximately 15 hours. Verdict: The most budget-friendly entry into the MacBook ecosystem, suitable for basic tasks. MacBook Pro 14-inch MacBook Pro (M4 Pro, 2024) Processor: Apple M4 Pro chip Performance: Strong gains in CPU and GPU-intensive workflows such as software development, video editing, and 3D rendering. Battery Life: Around 22 hours of video playback. Verdict: A sweet spot for pros who need power in a reasonably compact chassis. 16-inch MacBook Pro (M4 Pro/Max, 2024) Processor: Apple M4 Pro or M4 Max options Performance: Superior for high-end creative workloads; the M4 Max variant handles massive video projects, complex simulations, and advanced graphics tasks with ease. Battery Life: Up to 22 hours. Verdict: The ultimate portable workstation for photographers, videographers, and developers who demand maximum performance. What-s Next: M5-Powered Models (2025) Processors: M5, M5 Pro, and M5 Max Performance Improvements: Early benchmarks point to 20-30% faster CPU speeds and notable GPU enhancements over the M2 generation. Battery Life: Potentially up to 25% longer runtime. Verdict: Expected to push the envelope on speed, efficiency, and on-device machine learning tasks, making future MacBooks even more capable for pros and enthusiasts alike. Whether you-re after ultraportable convenience or raw creative horsepower, the current MacBook lineup spans a wide performance spectrum-and with Apple-s M5 chips on the horizon, that range is about to get even broader.

HelpWire offers a compelling set of advantages for online computer connections, especially for remote support scenarios. Here's a breakdown of what makes it stand out: ---- Key Advantages of HelpWire 1. No Account Needed for Quick Sessions You can initiate remote support without signing up-just download the app, send a link, and connect instantly. Perfect for ad hoc or one-time support without the hassle of registration. 2. Free for Individuals and Businesses HelpWire is completely free to use, even for small businesses. Great for startups or IT teams on a tight budget. 3. User-Friendly Interface Designed for ease of use, making it accessible to both tech-savvy users and beginners. Minimal learning curve for support agents and clients alike. 4. Fast Setup and Seamless File Transfers Remote sessions can be launched quickly, and file sharing is smooth and efficient. Ideal for troubleshooting and exchanging documents during support. 5. Secure, Encrypted Connections End-to-end encryption ensures data privacy and protects sensitive information during remote sessions. 6. Cross-Platform Compatibility Works across Windows, macOS, and Linux3. Enables support for diverse environments without compatibility headaches. 7. Browser-Based Access No installation required for some sessions-just open a browser and connect. Reduces friction for users who may be hesitant to install software. 8. Basic Client Management Tools Even the free version includes features like client lists and session history. Helps keep support organized and track interactions. If you're running a small business, freelancing in IT, or just helping friends and family troubleshoot tech issues, HelpWire offers a streamlined, secure, and cost-effective way to connect remotely.

How to Get a Free Upgrade to Windows 11 Follow these steps to upgrade your Windows 10 PC to Windows 11 at no cost, as long as your device meets Microsoft-s minimum requirements. If you encounter compatibility issues, see step 5 for an advanced workaround. 1. Verify Compatibility Open the PC Health Check app (installed by default or downloadable from Microsoft) and confirm your PC meets the Windows 11 system requirements: Processor: 1 GHz or faster with two or more cores on a compatible 64-bit processor RAM: 4 GB or more Storage: 64 GB or more Trusted Platform Module (TPM) version 2.0 enabled Secure Boot capable Graphics card compatible with DirectX 12 or later and WDDM 2.0 driver 2. Upgrade via Windows Update Go to Settings - Update & Security - Windows Update. Click Check for updates. If your PC is eligible, you-ll see Feature update to Windows 11 with a Download and install button. Click Download and install and follow the prompts to begin the free in-place upgrade. 3. Use the Windows 11 Installation Assistant Visit the Windows 11 download page. Under Windows 11 Installation Assistant, click Download now. Run the downloaded Windows11InstallationAssistant.exe, accept the license terms, and follow on-screen instructions. Your PC will upgrade while preserving apps, files, and settings. 4. Create Installation Media or ISO On the same download page, choose Create Windows 11 Installation Media or Download Windows 11 Disk Image (ISO). Use the Media Creation Tool to build a bootable USB drive or mount the ISO. Boot from USB (or mount the ISO) and run setup.exe. When prompted for a product key, select I don-t have a product key-your Windows 10 license will activate Windows 11 after installation. 5. Bypass Hardware Checks (Advanced, Unsupported) If your PC lacks TPM 2.0 or Secure Boot, third-party utilities like Rufus can modify the Windows 11 ISO to disable these checks. Proceed with caution: this method may prevent future updates, void support, and introduce stability or security risks. Next Steps After Upgrade Revisit Settings - Windows Update to fetch the latest drivers and patches. Check activation status under Settings - System - Activation. Explore new features: the redesigned Start menu, Snap layouts, Widgets, and virtual desktops. Related Topics You Might Explore Extended Security Updates for Windows 10 beyond October 2025 Hardware upgrade paths to meet Windows 11 requirements Migrating to Windows 365 Cloud PCs for a fully managed Windows 11 experience Transitioning to Linux distributions on legacy hardware

Impact of Windows 10 End of Support on Users When Microsoft ends support for Windows 10 on October 14, 2025, the operating system will no longer receive security patches, feature updates, or official technical assistance. Windows 10 will continue to run indefinitely, but any newly discovered vulnerabilities will remain unpatched, exposing users to growing security risks over time. Security Risks Without regular updates, Windows 10 devices become prime targets for malware, ransomware, and zero-day exploits. Although built-in security features like malware protection remain active, they cannot compensate for unpatched system-level vulnerabilities. Users who continue browsing the web, downloading files, or handling sensitive tasks (e.g., online banking) on an unsupported OS face increasing danger of compromise2. Software & Hardware Compatibility Over time, software developers and hardware manufacturers will shift focus toward Windows 11 and beyond. New applications may drop Windows 10 support altogether, and peripherals-such as printers, GPUs, or other devices-may lack updated drivers. For example, Nvidia plans to end driver updates for GeForce GTX 900- and 10-series cards on Windows 10 in October 2026, forcing gamers to upgrade their OS or risk suboptimal performance. Market Trends and Adoption With the looming end of support, many individuals and organizations are already migrating. Between June and July 2025, Windows 10-s market share plunged from 64.99% to 42.99%, while Windows 11 climbed from 47.98% to 53.39%. This rapid shift underscores the urgency for remaining Windows 10 users to plan their transition strategy. Upgrade Paths and Options Users have several routes to maintain security and compatibility: Free Upgrade to Windows 11: Eligible devices meeting minimum specs can upgrade at no cost. Extended Security Updates (ESU): A paid annual subscription offering critical and important security patches beyond October 2025. Intended as a temporary bridge rather than a permanent fix2. Cloud PC via Windows 365: Delivers a secure Windows 11 desktop to any device through the cloud, ideal for organizations unable to replace all hardware immediately. Switch to Linux: Lightweight distributions can breathe new life into older PCs that fall short of Windows 11 requirements, though this may entail a learning curve and software compatibility considerations. Extended Security Updates (ESU) The ESU program provides up to one additional year of security-only updates for consumers at no charge and longer support for enterprises at escalating fees. However, ESUs exclude feature updates, bug fixes, and technical support, meaning attackers will still exploit any non-security flaws left unpatched. Considerations for Affected Users Functionality vs. Security: Disconnecting an unsupported PC from the internet can mitigate remote threats but severely limits usability. Hardware Limitations: Older machines that can-t meet Windows 11-s requirements may require hardware upgrades or complete system replacement. Training and Support: Migrating to a new OS or platform (e.g., Linux) may necessitate user training and third-party support resources. Planning ahead ensures a smoother transition, minimizes downtime, and keeps data safe as Windows 10 reaches its end of life.

Common Types of Physical Therapy Physical therapy (PT) encompasses a range of specialties tailored to different patient needs. Interventions often include therapeutic exercises, hands-on techniques, and modalities like heat, cold, or electrical stimulation to manage pain, restore function, and improve mobility. 1. Orthopedic Physical Therapy Focuses on musculoskeletal injuries and conditions-fractures, sprains, tendonitis, and post-operative rehab for joint replacements or ligament repairs. 2. Neurological Physical Therapy Addresses disorders of the nervous system such as stroke, traumatic brain injury, Parkinson-s disease, multiple sclerosis, and spinal cord injuries to enhance balance, coordination, and motor control. 3. Sports Physical Therapy Caters to athletes and active individuals for prevention, treatment, and performance enhancement of sports-related injuries-sprains, strains, and overuse syndromes. 4. Pediatric Physical Therapy Works with infants through adolescents to treat developmental delays, congenital conditions, and childhood injuries. Common areas include cerebral palsy, muscular dystrophy, and sensory-motor integration disorders. 5. Geriatric Physical Therapy Specializes in age-related challenges-arthritis, osteoporosis, balance deficits, and fall prevention-helping older adults maintain independence and quality of life. 6. Cardiopulmonary Physical Therapy Rehabilitates individuals with heart and lung conditions. It includes cardiac rehab after heart attacks or surgery and pulmonary rehab for COPD, cystic fibrosis, and other respiratory disorders. 7. Women-s Health Physical Therapy Focuses on conditions unique to women such as pelvic floor dysfunction, urinary incontinence, prenatal and postpartum care, and pelvic pain syndromes. 8. Vestibular & Balance Therapy Treats dizziness, vertigo, and balance disorders through exercises that retrain the vestibular system and improve spatial orientation and stability. Summary Table Type Focus Examples of Conditions Orthopedic PT Musculoskeletal system Fractures, joint replacements, tendinopathy Neurological PT Nervous system Stroke, Parkinson-s, spinal cord injuries Sports PT Athletic performance & recovery Sprains, strains, ACL tears Pediatric PT Child development & mobility Cerebral palsy, developmental delays Geriatric PT Age-related functional decline Osteoporosis, arthritis, fall risk Cardiopulmonary PT Heart & lung rehabilitation Cardiac rehab, COPD management Women-s Health PT Pelvic floor & reproductive health Incontinence, prenatal/postpartum musculoskeletal issues Vestibular & Balance Therapy Inner ear & balance retraining Vertigo, Meni-re-s disease, balance disorders

Yes-smartphones can and do get viruses and other forms of malware. Your phone is essentially a pocket-sized computer, so it-s vulnerable to malicious software designed to steal data, hijack functionality, or replicate across devices. Both Android and iOS have seen real-world infections, ranging from adware and spyware to ransomware and self-replicating viruses. How Phones Get Infected Android-s open ecosystem and ability to sideload apps make it a frequent target for malware authors. While Apple-s App Store is more restrictive, iOS isn-t immune: targeted spyware campaigns (e.g., Pegasus) have compromised iPhones via hidden exploits and malicious calendar invites2. Common infection vectors include unverified third-party app stores, phishing links in SMS or email, and malicious pop-up ads that trick users into downloading harmful code. Signs of Malware Infection Persistent pop-up ads or new, unfamiliar apps appearing without your permission. Sudden battery drain or overheating as hidden processes run in the background. Unexpected spikes in data usage or unexplained charges on your bill. Sluggish performance, random crashes, or outgoing messages you didn-t send2. Detecting and Removing Phone Viruses Use Built-In Protections Android: Enable Google Play Protect in the Play Store. iOS: Keep your device updated and avoid jailbreaking. Run a Trusted Security App Choose reputable names-Bitdefender, Norton, McAfee-rather than unknown -antivirus- tools that may themselves be malicious. Boot in Safe Mode (Android) Disable third-party apps to isolate and remove suspicious installations. Factory Reset as Last Resort Back up your data, then perform a full reset to wipe any persistent malware. Practice Caution Only install apps from official stores, scrutinize permissions, and avoid clicking links from unknown sources. By staying vigilant and leveraging both built-in and third-party security tools, you can greatly reduce the risk of real viruses or other malware on your phone.

Backing up your iPhone to iTunes on a computer creates a full local copy of your device data, including settings, messages, and photos. This method is faster and more complete than iCloud, and you can choose to encrypt backups for added security. 1. Connect and Trust Your iPhone Connect your iPhone to the computer using its Lightning-to-USB (or USB-C) cable. Unlock your iPhone and, when prompted, tap Trust on your device to allow the computer to access your data. Open iTunes on Windows or macOS versions prior to Catalina-iTunes will detect your iPhone automatically. 2. Select Your Device in iTunes In iTunes, click the small device icon near the top-left corner of the window. If the icon isn-t immediately responsive, wait a few seconds for iTunes to finish syncing and recognizing your iPhone. 3. Choose Backup Destination On the Summary page, locate the Backups section. Select This Computer under Automatically Back Up to store your backup locally. To encrypt the backup (recommended for passwords, Health data, and HomeKit settings), check Encrypt iPhone backup and enter a memorable password. 4. Start the Backup Process Click Back Up Now to initiate the backup. Monitor progress in the status area at the top of the iTunes window-large backups may take several minutes.2 5. Verify Your Backup After completion, open iTunes-s menu: On Windows: Edit - Preferences - Devices On Mac (with older macOS): iTunes - Preferences - Devices You-ll see a list of backups sorted by device name and date. Encrypted backups display a lock icon beside them. Additional Tips iTunes stores backups in ~/Library/Application Support/MobileSync/Backup/ on Mac or %APPDATA%\Apple Computer\MobileSync\Backup\ on Windows. Keep your backup password secure-forgotten encryption passwords cannot be recovered. Back up before major iOS updates or when switching to a new iPhone model. Combine local iTunes backups with iCloud backups for maximum data protection.

Backing up your iPhone to a local computer ensures you have a complete copy of your data-messages, photos, settings, and app data-without relying on cloud storage. Below are the primary methods for Windows PCs and Macs, plus third-party alternatives. Prerequisites A USB or USB-C cable compatible with your iPhone and computer. Sufficient free disk space on your PC or Mac. iTunes installed on Windows (Windows 7 or later) or macOS Catalina (10.15) and up. 1. Back Up on Windows with iTunes Connect your iPhone to the PC and launch iTunes. Click the device icon near the top-left of the iTunes window, then select Summary. Under Backups, choose This Computer. To encrypt sensitive data (passwords, Health data), check Encrypt local backup, set a password, and click Set Password. Click Back Up Now; the progress appears at the top of the window. To confirm, go to Edit > Preferences > Devices; you-ll see your backup listed with the date and time. 2. Back Up on Mac with Finder Connect your iPhone to your Mac using a USB cable. Open a Finder window and select your iPhone under Locations in the sidebar. In the General tab, under Backups, select Back up all of the data on your iPhone to this Mac. For encrypted backups, check Encrypt local backup, enter a password, and click Set Password. Click Back Up Now and wait for the process to complete. 3. Third-Party Tools CopyTrans Shelbee (Windows) Lets you choose any folder on your PC for backups and offers full or incremental backups. Validates backup integrity to ensure restorability and supports encryption with a password. Restores entire backups or extracts specific data without overwriting your device. iOS Data Backup & Restore (Windows & Mac) Enables selective backups of contacts, photos, messages, and more. Stores backups in standard folders you can browse, preview, and export. Offers one-click backup, with optional encryption and separate restore utility. Additional Tips To restore your iPhone, reconnect it to the computer, open iTunes or Finder, select Restore Backup, and choose the desired backup file. Locate iTunes backups on Windows at %APPDATA%\Apple Computer\MobileSync\Backup\ or on Mac at ~/Library/Application Support/MobileSync/Backup/. Consider regular backup reminders (every 1-2 weeks) to minimize data loss. Use iCloud Backup alongside local backups for wireless redundancy and off-site protection. By following these steps and tools, you-ll have reliable local backups of your iPhone, ensuring quick recovery from data loss, device upgrades, or repairs.

Overview of Subatomic Particles Atoms consist of a tiny, dense nucleus surrounded by an -electron cloud.- The nucleus houses protons and neutrons, accounting for nearly all the atom-s mass, while electrons occupy regions of space around the nucleus in defined energy levels or orbitals. Protons Protons are positively charged particles (charge = +1) located in the atomic nucleus. Each proton has a mass of about 1.007 amu and defines an element-s identity-its count equals the atomic number on the periodic table2. Neutrons Neutrons carry no electric charge and reside alongside protons in the nucleus. With a mass of roughly 1.009 amu, neutrons stabilize the nucleus and determine an element-s isotope by varying in number without changing the element-s identity2. Electrons Electrons are negatively charged particles (charge = -1) that occupy the electron cloud surrounding the nucleus. Their mass is about 0.00055 amu-nearly 1/2000 that of a proton-and they govern chemical bonding, electrical conductivity, and reactivity by filling specific orbitals or shells. Summary Table Particle Location Mass (amu) Charge Primary Role Proton Nucleus ~1.007 +1 Defines element, contributes positive nuclear charge Neutron Nucleus ~1.009 0 Adds mass, stabilizes nucleus, creates isotopes Electron Electron cloud (orbitals/shells) ~0.00055 -1 Determines chemical behavior and bonding Beyond the Basics Protons and neutrons themselves are made of quarks held together by the strong nuclear force. Electrons are elementary leptons that exhibit both particle- and wave-like behavior, described by quantum mechanics. The balance of protons and electrons governs an atom-s net charge; an imbalance produces ions. Atomic mass units (amu) are defined relative to carbon-12 and simplify mass calculations in chemistry. Valence electrons-those in the outermost shell-dictate how atoms bond to form molecules. For deeper exploration, consider how nuclear forces overcome electrostatic repulsion in the nucleus or how electron configurations lead to periodic trends and chemical reactivity.

Atomic Structure Overview Atoms consist of a dense central region called the nucleus and an outer region where electrons are found. The nucleus contains nearly all of an atom-s mass, while electrons occupy the surrounding space in defined energy levels or -shells- known collectively as the electron cloud. Subatomic Particle Locations Protons are positively charged particles located inside the nucleus at the atom-s center. Neutrons are electrically neutral particles also confined to the nucleus alongside protons. Electrons are negatively charged particles that move through the electron cloud-an extensive region of space around the nucleus defined by probability distributions or orbitals2. Summary Table Particle Location Charge Proton Nucleus +1 Neutron Nucleus 0 Electron Electron cloud (orbitals) surrounding nucleus -1 References 2.6: Protons, Neutrons, and Electrons in Atoms - Chemistry LibreTexts (citationIndex: 1) 3 The Locations Of Protons, Neutrons And Electrons Within An Atomic Structure - Sciencing (citationIndex: 2) Atom: Definition, Structure & Parts with Labeled Diagram - ScienceFacts.net (citationIndex: 3)

The periodic table comprises 118 chemical elements, each defined by its atomic number, symbol, and name. Atomic Number Symbol Name 1 H Hydrogen 2 He Helium 3 Li Lithium 4 Be Beryllium 5 B Boron 6 C Carbon 7 N Nitrogen 8 O Oxygen 9 F Fluorine 10 Ne Neon 11 Na Sodium 12 Mg Magnesium 13 Al Aluminium 14 Si Silicon 15 P Phosphorus 16 S Sulfur 17 Cl Chlorine 18 Ar Argon 19 K Potassium 20 Ca Calcium 21 Sc Scandium 22 Ti Titanium 23 V Vanadium 24 Cr Chromium 25 Mn Manganese 26 Fe Iron 27 Co Cobalt 28 Ni Nickel 29 Cu Copper 30 Zn Zinc 31 Ga Gallium 32 Ge Germanium 33 As Arsenic 34 Se Selenium 35 Br Bromine 36 Kr Krypton 37 Rb Rubidium 38 Sr Strontium 39 Y Yttrium 40 Zr Zirconium 41 Nb Niobium 42 Mo Molybdenum 43 Tc Technetium 44 Ru Ruthenium 45 Rh Rhodium 46 Pd Palladium 47 Ag Silver 48 Cd Cadmium 49 In Indium 50 Sn Tin 51 Sb Antimony 52 Te Tellurium 53 I Iodine 54 Xe Xenon 55 Cs Caesium 56 Ba Barium 57 La Lanthanum 58 Ce Cerium 59 Pr Praseodymium 60 Nd Neodymium 61 Pm Promethium 62 Sm Samarium 63 Eu Europium 64 Gd Gadolinium 65 Tb Terbium 66 Dy Dysprosium 67 Ho Holmium 68 Er Erbium 69 Tm Thulium 70 Yb Ytterbium 71 Lu Lutetium 72 Hf Hafnium 73 Ta Tantalum 74 W Tungsten 75 Re Rhenium 76 Os Osmium 77 Ir Iridium 78 Pt Platinum 79 Au Gold 80 Hg Mercury 81 Tl Thallium 82 Pb Lead 83 Bi Bismuth 84 Po Polonium 85 At Astatine 86 Rn Radon 87 Fr Francium 88 Ra Radium 89 Ac Actinium 90 Th Thorium 91 Pa Protactinium 92 U Uranium 93 Np Neptunium 94 Pu Plutonium 95 Am Americium 96 Cm Curium 97 Bk Berkelium 98 Cf Californium 99 Es Einsteinium 100 Fm Fermium 101 Md Mendelevium 102 No Nobelium 103 Lr Lawrencium 104 Rf Rutherfordium 105 Db Dubnium 106 Sg Seaborgium 107 Bh Bohrium 108 Hs Hassium 109 Mt Meitnerium 110 Ds Darmstadtium 111 Rg Roentgenium 112 Cn Copernicium 113 Nh Nihonium 114 Fl Flerovium 115 Mc Moscovium 116 Lv Livermorium 117 Ts Tennessine 118 Og Oganesson

According to the List of sovereign states, there are 195 countries in the United Nations system-193 UN member states plus two UN General Assembly observer states (Holy See and State of Palestine). Below is an alphabetical list of those 195 countries: Afghanistan Albania Algeria Andorra Angola Antigua and Barbuda Argentina Armenia Australia Austria Azerbaijan Bahamas, The Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bhutan Bolivia Bosnia and Herzegovina Botswana Brazil Brunei Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Central African Republic Chad Chile China Colombia Comoros Congo, Republic of the Congo, Democratic Republic of the Costa Rica C-te d-Ivoire Croatia Cuba Cyprus Czech Republic Denmark Djibouti Dominica Dominican Republic East Timor (Timor-Leste) Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Eswatini Ethiopia Fiji Finland France Gabon Gambia, The Georgia Germany Ghana Greece Grenada Guatemala Guinea Guinea-Bissau Guyana Haiti Honduras Hungary Iceland India Indonesia Iran Iraq Ireland Israel Italy Jamaica Japan Jordan Kazakhstan Kenya Kiribati Korea, North Korea, South Kosovo Kuwait Kyrgyzstan Laos Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luxembourg Madagascar Malawi Malaysia Maldives Mali Malta Marshall Islands Mauritania Mauritius Mexico Micronesia, Federated States of Moldova Monaco Mongolia Montenegro Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands New Zealand Nicaragua Niger Nigeria North Macedonia Norway Oman Pakistan Palau Palestine State Panama Papua New Guinea Paraguay Peru Philippines Poland Portugal Qatar Romania Russia Rwanda Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somalia South Africa South Sudan Spain Sri Lanka Sudan Suriname Sweden Switzerland Syria Taiwan* Tajikistan Tanzania Thailand Timor-Leste Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Tuvalu Uganda Ukraine United Arab Emirates United Kingdom United States of America Uruguay Uzbekistan Vanuatu Vatican City Venezuela Vietnam Yemen Zambia Zimbabwe *Taiwan-s political status is disputed; it functions as a de facto independent state but is not a UN member.

title: 4 Decadent Chocolate Dessert Recipes recipes: - name: Flourless Chocolate Cake servings: 8 cooking_time: 45 minutes ingredients: - 1 cup semisweet chocolate chips - - cup unsalted butter - - cup granulated sugar - 3 large eggs, lightly beaten - - cup unsweetened cocoa powder - pinch of salt instructions: 1. Preheat oven to 375-F (190-C). Grease an 8-inch round cake pan and line the bottom with parchment. 2. In a heatproof bowl set over simmering water, melt chocolate chips and butter, stirring until smooth. 3. Remove from heat and whisk in sugar, eggs, cocoa powder, and salt until fully combined. 4. Pour batter into the prepared pan and bake 25-30 minutes, until the center is just set. 5. Cool completely in pan before inverting onto a plate. Dust with extra cocoa or powdered sugar. nutrition: 320 kcal per slice source: Martha Stewart - name: Classic Fudgy Brownies servings: 12 cooking_time: 35 minutes ingredients: - 8 ounces dark chocolate (60-70% cocoa), chopped - - cup unsalted butter - - cup granulated sugar - 2 large eggs - 1 teaspoon vanilla extract - - cup all-purpose flour - - teaspoon salt instructions: 1. Preheat oven to 350-F (175-C). Line an 8-8-inch pan with foil and grease. 2. Melt chocolate and butter together in a double boiler or microwave, stirring until smooth. 3. Off heat, whisk in sugar, then eggs and vanilla until glossy. 4. Fold in flour and salt just until combined. Pour into pan. 5. Bake 20-25 minutes. The edges should look set; the center remains slightly gooey. 6. Cool fully before slicing into squares. nutrition: 260 kcal per brownie source: Food Network - name: Silky Chocolate Mousse servings: 6 cooking_time: 25 minutes (+ chilling) ingredients: - 6 ounces good-quality dark chocolate, finely chopped - 1 cup heavy cream, divided - 2 tablespoons granulated sugar - 2 large egg whites - 1 teaspoon vanilla extract instructions: 1. Melt chocolate with - cup cream over a double boiler, stirring until smooth. Cool slightly. 2. Beat remaining - cup cream to soft peaks, then fold gently into chocolate mixture. 3. In a clean bowl, whip egg whites and sugar to stiff peaks. Fold into chocolate in two additions. 4. Divide mousse among six serving glasses and chill at least 2 hours. 5. Garnish with whipped cream or shaved chocolate before serving. nutrition: 310 kcal per serving source: BBC Good Food - name: Easy Chocolate Bark servings: 10 cooking_time: 15 minutes (+ setting) ingredients: - 12 ounces milk or dark chocolate chips - - cup chopped nuts (almonds, pistachios, or walnuts) - - cup dried fruit (cranberries, cherries, or apricots) - sea salt flakes, for sprinkling instructions: 1. Line a baking sheet with parchment paper. 2. Melt chocolate in a microwave or double boiler until smooth. 3. Pour onto parchment and spread into a thin, even layer (~--inch thick). 4. Sprinkle nuts, dried fruit, and a pinch of sea salt over the top. 5. Let set at room temperature or in the fridge until firm, about 30 minutes. 6. Break into irregular pieces and store in an airtight container. nutrition: 200 kcal per ounce source: The Kitchen Community tips: - For extra shine on flourless cake, warm a small amount of jam and brush over the top after baking. - Underbake brownies slightly-carryover heat will finish cooking and keep centers fudgy. - Ensure no yolk in the whites when making mousse; even a trace of fat prevents peaks. - Customize bark with your favorite mix-ins: seeds, coconut flakes, or crushed candy.

title: 4 Easy Desserts to Make at Home recipes: - name: Classic Rice Krispie Treats servings: 12 bars cooking_time: 10 minutes ingredients: - 3 tablespoons butter - 4 cups miniature marshmallows - 6 cups Rice Krispies cereal instructions: 1. In a large saucepan over low heat, melt the butter. 2. Add marshmallows and stir until melted and smooth. 3. Remove from heat, fold in the cereal until coated. 4. Press the mixture into a greased 9-13-inch pan; let cool, then cut into bars. nutrition: calories: 150 kcal per bar - name: Oreo Mug Cake servings: 1 mug cake cooking_time: 5 minutes ingredients: - 4 Oreo cookies, crushed - 3 tablespoons milk instructions: 1. Place crushed Oreos in a microwave-safe mug. 2. Pour milk over the crumbs and stir into a thick batter. 3. Microwave on high for 1 minute; let cool briefly and enjoy. nutrition: calories: 250 kcal per serving - name: 3-Ingredient Peanut Butter Cookies servings: 12 cookies cooking_time: 15 minutes ingredients: - 1 cup smooth peanut butter - 1 cup granulated sugar - 1 large egg instructions: 1. Preheat oven to 350-F (175-C) and line a baking sheet with parchment. 2. Mix peanut butter, sugar, and egg until smooth. 3. Scoop tablespoonfuls onto the sheet and flatten each with a fork in a crisscross. 4. Bake 10-12 minutes until edges are set; cool on a wire rack. nutrition: calories: 100 kcal per cookie - name: Simple Cake Mix Bars servings: 18 bars cooking_time: 35 minutes ingredients: - 1 box (15.25 oz) yellow cake mix - 2 large eggs - 1/3 cup vegetable oil - 1 cup semi-sweet chocolate chips instructions: 1. Preheat oven to 350-F (175-C) and grease a 9-13-inch pan. 2. In a bowl, combine cake mix, eggs, and oil until smooth; fold in chocolate chips. 3. Spread batter into the pan and bake 25-30 minutes until a toothpick comes out clean. 4. Cool completely before slicing into bars. nutrition: calories: 140 kcal per bar

Building muscle hinges on choosing the right protein formula. You might want to check out: Muscle Milk Gen Cookies & Cream Protein Powder: Delivers 32 g of whey protein per scoop, NSF Certified for Sport, and crafted to support recovery and lean muscle growth. Six Star Whey Protein Plus: Offers 32 g of ultra-pure whey isolate combined with hydrolyzed peptides, gluten-free, and engineered for rapid absorption post-workout. Optimum Nutrition Serious Mass: Provides 50 g of protein in a calorie-dense formula designed for those who struggle to consume enough calories and aim to bulk up efficiently. MENXI 100% Whey Protein Powder: Supplies 24 g of whey isolate plus 5.5 g of naturally occurring BCAAs, instantized for smooth mixing and muscle-supportive recovery. MuscleTech 100% Mass Gainer: Combines 60 g of protein with mass-producing calories and creatine monohydrate to maximize strength and size gains

Elliptical Orbit and Perihelion Earth-s orbit around the Sun isn-t a perfect circle but a slight ellipse. This means there-s a point of closest approach (perihelion) and farthest separation (aphelion). Perihelion occurs in early January, when the Sun-Earth distance shrinks to about 147.1 million km, versus roughly 152.1 million km at aphelion-a 3% difference2. Calendar Timing vs. Seasons In the Northern Hemisphere, winter spans from the December solstice to the March equinox, so we experience cold even though perihelion falls shortly after the solstice in January. The mismatch arises because the dates of perihelion and solstices aren-t tied; they shift slightly each year due to the Earth-s orbital mechanics and leap-year calendar adjustments. Seasons Governed by Axial Tilt The primary driver of seasons is Earth-s 23.5- axial tilt, not its varying distance from the Sun. During Northern Hemisphere winter, our pole leans away from the Sun, spreading sunlight over a larger area and shortening daylight hours. Conversely, when the Southern Hemisphere tilts toward the Sun at perihelion, it actually experiences summer. Thus, even at Earth-s closest approach, northern latitudes remain cold because of the tilt-s effect on solar angle and day length4. Key Takeaways Earth's orbital eccentricity causes a small (~3%) distance change between perihelion and aphelion. Perihelion in early January coincides with Northern Hemisphere winter due to calendar alignment, not seasonal cause. Axial tilt dictates the intensity and duration of sunlight, making it the true reason for seasons.