Marcin Frąckiewicz, Author at TechStock²

Powerhouse Showdown: Tesla Powerwall 3 vs. LG’s Stackable Home Battery vs. Sonnen Evo 10 – Which Reigns Supreme in 2025?

The Tesla Powerwall 3 stores 13.5 kWh usable, delivers 11.5 kW continuous output, and includes a built‑in solar inverter with up to 20 kW of PV input. LG ESS Home Stackable uses modular JF1/JF1R cells with usable capacities of 10.6,

14 August 2025

Drone Delivery Showdown: Wing vs. Zipline P2 vs. Amazon Prime Air MK30

Wing became the first FAA-certified drone air carrier in 2019, and has completed more than 350,000 deliveries, mostly in Australia. Wing’s flagship delivery drone is a hybrid VTOL that carries about 2.5 pounds, with a larger 5-pound variant unveiled in

14 August 2025

Comparisons · Delivery Tech · Drones · Innovation · NASDAQ:AMZN · NASDAQ:GOOGL · Reviews

NVIDIA RTX 5090 vs AMD RX 9070 XT vs Intel Arc A980: Ultimate GPU Showdown

RTX 5090 uses Blackwell on a 5nm process with 21,760 CUDA cores across 170 Streaming Multiprocessors, 32 GB GDDR7 on a 512-bit bus, and a Total Graphics Power around 575–600 W. At 4K, RTX 5090 typically posts 30%+ higher frame

14 August 2025

Gaming · Graphics Cards · Hardware · Performance Test · Tech Comparison

Flying Taxi Showdown: Joby S4 vs Archer Midnight vs Volocopter VoloCity – Who Will Rule the Skies?

Joby S4 is a five-seat eVTOL with a fixed wing and six tilting propellers (four on the wing and two on a V-shaped tail), about 21 ft long with a 39 ft wingspan, capable of cruising up to 200 mph

14 August 2025

Flying Cars · Industry News · Innovation · NASDAQ:UAL · NYSE:ACHR · NYSE:JOBY · Technology · Urban Mobility

AI Coding Assistant Showdown: GitHub Copilot Enterprise vs Google Gemini vs Amazon Q Developer Pro

GitHub Copilot Enterprise runs on OpenAI Codex and GPT-4, provides real-time code suggestions and can generate entire functions from natural language prompts, with a six‑month enterprise trial showing 94% of developers staying “in the flow” and 88% of Copilot’s suggestions

14 August 2025

AI Tools · Coding · Developer Tools · NASDAQ:AMZN · NASDAQ:GOOGL · NASDAQ:MSFT · Productivity · Software Comparison

6G Terahertz Showdown: Samsung’s 140 GHz Testbed vs. Qualcomm’s 6G Foundry in the 0.3 THz Race

The June 2021 Samsung-UCSB demonstration achieved 6.2 Gbps real-time throughput at 140 GHz over 15 meters using 2 GHz of bandwidth and a 128-element phased-array. Samsung notes terahertz wideband channels could eventually support Tbps peak speeds and cut air latency

14 August 2025

6G · Industry News · Innovation · NASDAQ:QCOM · NYSE:NOK · Terahertz · Wireless Technology

PEM vs Alkaline vs Solid Oxide Electrolyzers: The 2025 Hydrogen Technology Showdown

Alkaline electrolyzers use a liquid potassium hydroxide (KOH) electrolyte, operate at about 60–80 °C, and have decades of industrial use in chlor-alkali and fertilizer plants. PEM electrolyzers use a solid polymer membrane and typically operate at 50–80 °C, delivering very

14 August 2025

2025 Trends · Clean Energy · Electrolyzers · Hydrogen Technology · NYSE:SHEL · Renewable Energy

Shoot the Stars in 2025: The Ultimate Beginner’s Guide to Astrophotography

The Nikon Z8, released in late 2023, features a 45.7 MP full‑frame sensor and Night Vision mode, making it a top astrophotography option in 2025. The Canon EOS R6 Mark II, a 24.2 MP full‑frame camera with ISO up to

14 August 2025

Astronomy · Astrophotography · Beginner Guide · Camera Tips · Night Photography

Night Photography Showdown: 2025’s Best and Brightest Smartphone Cameras Revealed

Google Pixel 7 Pro (2022) and Pixel 8 Pro (2023) use a 50 MP main sensor, and Night Sight now runs twice as fast, cutting exposure time in half for dim scenes. Apple’s iPhone 14 Pro Max introduced the Photonic

14 August 2025

Cameras · Night Photography · Reviews · Smartphones · Technology

No Signal? No Problem – Starlink’s Direct-to-Cell Satellites Are Eliminating Dead Zones

Direct-to-Cell Revolution: What It Is and When It Will Work in Your Country

In August 2022, SpaceX and T-Mobile announced a partnership to add Direct-to-Cell texting via Starlink satellites, enabling roaming coverage for remote areas using SpaceX’s constellation. SpaceX launched the first Direct-to-Cell–equipped Starlink satellites in early 2024, and by mid-2025 there were

14 August 2025

Connectivity · Direct-to-Cell · Future Tech · Mobile Technology · NASDAQ:ASTS · NASDAQ:TMUS · Networks · NYSE:AMT · NYSE:BCE · NYSE:RCI · NYSE:T · NYSE:VOD · NYSE:VZ

Work Smarter, Not Longer: 12 Real AI Automations That Free Up Your Week

In 2023, a McKinsey study estimated that AI could automate up to 45% of repetitive tasks, potentially saving hours for workers. Salesforce data from late 2023 shows marketers using generative AI saved about 5 hours per week on content creation

14 August 2025

AI · Automation · Efficiency · NASDAQ:JBLU · NYSE:CRM · NYSE:HUBS · NYSE:UL · Productivity · Work-Life Balance

Ultimate 2025 Showdown: iOS vs Android vs HarmonyOS — Which Mobile OS Reigns Supreme?

AI at Work: 12 Real Automations That Save 5–10 Hours a Week

AI-Powered Meeting Summaries & Action Items: Otter.ai, Zoom AI Companion, and Microsoft Teams Copilot transcribe meetings and generate summaries, with Microsoft data showing heavy users saving about 8 hours per month and typical users saving 3–5 hours per week. Automated

14 August 2025

AI · Automation · NASDAQ:HUBS · NASDAQ:MSFT · NASDAQ:ZM · NYSE:DAL · NYSE:PATH · NYSE:ZEN · Productivity · Time Management · Work Hacks