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Hackaday
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Image Credit: Hackaday
Presence Detection Augments 1930s Home
- Presence detection setup using 24 GHz mmwave radar modules in a 1930s home.
- The sensors can detect human presence even if they are still, unlike infrared sensors.
- The setup utilizes the ESP32-S2 Mini to control the lights and save battery life.
- The project provides a guide to get started with millimeter wave radar technology.
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Pv-Magazine
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Longi achieves 34.85% efficiency for two-terminal tandem perovskite solar cell
- Chinese solar module manufacturer Longi has achieved a world record power conversion efficiency of 34.85% for a two-terminal tandem perovskite solar cell.
- This result was certified by the U.S. Department of Energy's National Renewable Energy Laboratory (NREL).
- Longi's cell design includes a bilayer interface passivation strategy, maximizing electron transport and hole blocking.
- The research work received support from Suzhou University, Huaneng Clean Energy Research Institute, and the Hong Kong Polytechnic University (HKPU).
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Massivelyop
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World of Warcraft’s anniversary Classic servers hit Phase 4 on May 1
- The fourth phase of WoW Classic anniversary servers will be launched on May 1.
- The update includes the return of Zul'Gurub, the Stranglethorn Fishing Extravaganza, and the addition of tier 0.5 dungeon set pieces.
- Players have been instructed to return to Zul'Gurub multiple times, making this the fourth call to return.
- WoW Classic Anniversary servers offer the opportunity to relive classic WoW experiences.
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TronWeekly
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Image Credit: TronWeekly
Trump-Powell Standoff: Why Crypto Could Be the Real Winner
- Tensions rise between US President and Fed Chair Jerome Powell after the latter warned of an impending stagflation due to the tariff policies.
- Trump retaliates against Powell’s criticism, hinting at his removal after Fed rate cut warnings.
- Bitcoin rebounds above $85K as decoupling hopes rise amid traditional market concerns.
- There is a growing belief that crypto could eventually decouple if distrust in traditional monetary policy rises.
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BGR
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Image Credit: BGR
Gemini 2.5 Flash is Google’s cheapest thinking AI: What you need to know
- Gemini 2.5 Flash is a new AI product by Google designed for developers and enterprise customers.
- It aims to bring affordable AI reasoning to tasks that require more thinking.
- Users can specify a budget and turn reasoning on and off based on the task at hand.
- Gemini 2.5 Flash is available in preview via the Gemini API in Google AI Studio and Vertex AI.
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Zycrypto
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Image Credit: Zycrypto
Dogecoin Spot Outflows Soar to $120 Million in April; Are the Bears in Control?
- Spot outflows of Dogecoin (DOGE) have reached $120 million in April, indicating increased selling pressure.
- This trend reflects a decline in demand for DOGE and a weakening of confidence among holders.
- However, long-term investors are buying more than 800 million DOGE in the last 48 hours, indicating their resilience.
- The near-term outlook for DOGE remains positive, with potential for an uptrend if it breaks the $0.17 resistance level.
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Pymnts
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Image Credit: Pymnts
Earnings See Businesses Embrace Working Capital Flexibility as Growth Pauses
- Global trade disruptions due to reciprocal tariffs have led businesses to reevaluate working capital management strategies for increased flexibility and resilience.
- Companies are shifting towards cash-preserving approaches, moving away from just-in-time inventory strategies to navigate market turbulence effectively.
- Earnings reports highlight the importance of flexibility and liquidity in today's uncertain environment, offering a competitive edge for businesses.
- Amidst economic uncertainty, businesses are adopting a wait-and-see approach to investments, focusing on maintaining flexibility in working capital solutions.
- KeyBank and other financial institutions observe businesses maintaining cautious optimism but expressing concerns about the impact of tariffs on their operations and investments.
- Strategic use of working capital for growth is evident in companies like PNC and Wells Fargo, showcasing the importance of managing liquidity and credit underwriting tightly.
- American Express emphasizes the need for forward-looking strategies to support small businesses during economic downturns, while banks maintain a focus on innovation and operational resilience.
- The common theme from first-quarter earnings is to prioritize abundant liquidity, tight credit underwriting, and technology investments that drive efficiency and revenue growth.
- Working capital innovations, such as embedded options and efficient payment solutions, play a crucial role in enhancing businesses' operational efficiency and financial stability.
- In sectors like manufacturing and retail, where delays can lead to significant losses, the speed and reliability of payment systems are vital for ensuring resilience and success.
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Cultofmac
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Image Credit: Cultofmac
Keychron M5 vertical gaming mouse wants to save your wrists
- Keychron has released its new M5 Wireless Ergonomic Mouse, combining ergonomic comfort and high-performance gaming specs.
- The mouse features an 8K polling rate and a PixArt 3950 sensor with 30,000 DPI sensitivity, making it a unique offering in the gaming peripheral market.
- It is designed with a 47-degree angle to reduce wrist strain and offers five programmable buttons, two scroll wheels, and comprehensive connectivity options.
- With a price point of $69.99, the Keychron M5 provides an affordable alternative to similar vertical mice, making it a suitable choice for those interested in ergonomic design.
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Marktechpost
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Meta AI Introduces Perception Encoder: A Large-Scale Vision Encoder that Excels Across Several Vision Tasks for Images and Video
- Meta AI introduces Perception Encoder (PE), a vision model family trained using a single contrastive vision-language objective and refined with alignment techniques tailored for downstream tasks.
- PE operates across three scales—PEcoreB, PEcoreL, and PEcoreG—with the largest (G-scale) model containing 2B parameters, functioning as a general-purpose encoder for image and video inputs.
- PE demonstrates strong zero-shot generalization across a wide range of vision benchmarks, achieving competitive results on image classification and fine-grained datasets, as well as state-of-the-art performance on video tasks.
- The release of PE, alongside its codebase and the PE Video Dataset, provides a foundation for building multimodal AI systems and advancing integrated and robust visual understanding.
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Polygon
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Image Credit: Polygon
Darth Maul will return again (again) for an animated series on Disney Plus
- Lucasfilm is producing a new solo animated series called Maul: Shadow Lord for the Star Wars villain Darth Maul.
- The series is set to take place about a year after the finale of Star Wars: The Clone Wars.
- Maul: Shadow Lord will focus on Maul taking on an apprentice and will be available to stream on Disney Plus in 2026.
- Sam Witwer, who voiced Maul in Clone Wars and Star Wars Rebels, will be returning to the role.
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Zycrypto
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Image Credit: Zycrypto
Industry Expert Predicts Bitcoin’s Non-Stop Rocket Surge To $1 Million If the U.S. Purchases One Million BTC
- An executive at the Bitcoin Policy Institute (BPI) suggests that if the U.S. government were to announce a plan to acquire 1 million BTC, it could push the Bitcoin price to $1 million per coin.
- The head of policy at BPI believes that such a large-scale purchase of Bitcoin by the U.S. would cause a global seismic shock and drive the price through the roof.
- The discussion follows President Donald Trump's executive order establishing a Strategic Bitcoin Reserve and the reintroduction of the BITCOIN Act, which would mandate the U.S. government to purchase 1 million BTC.
- Industry experts argue that the U.S. acquiring more Bitcoin would solidify its position as a Bitcoin superpower and could be funded through various means such as tariff revenue and royalties from oil and gas leases.
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Inc42
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Image Credit: Inc42
Centre Rejects Rumours Of GST Levy On UPI Transactions
- The finance ministry has rejected the rumours of levy of goods and services tax (GST) on UPI transactions above INR 2,000.
- Currently, GST is only applicable on charges like Merchant Discount Rate (MDR) for certain payment instruments.
- The Centre removed MDR on person-to-merchant (P2M) UPI transactions in January 2020, effectively making them GST-free.
- Indian fintech and banking sectors are pushing for the reintroduction of the MDR on high-value UPI transactions.
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Hackernoon
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Image Credit: Hackernoon
Carl “Moon” Runefelt Predicted the Market Crash — And It’s Happening Now
- In January 2025, Carl “Moon” Runefelt warned about rising debts, greed, and signs of a financial crisis, predicting a major financial meltdown.
- While initially overlooked, Carl's prediction gained attention as markets dropped in April, with Bitcoin and stocks experiencing declines.
- Carl attributed his forecast to monitoring the federal funds effective rate and historical patterns indicating a recession after rate cuts.
- He emphasized high debt levels, increasing credit card usage, and market exuberance as indicators of an imminent reset.
- Backing his claim, Carl shared a chart of the federal funds rate to illustrate the correlation between falling rates and economic downturns.
- Carl believes that Bitcoin will be a safe-haven asset amid looming financial instability, foreseeing a potential surge to $300,000 or even $1 million per BTC.
- Despite short-term market dips, Carl remains optimistic about Bitcoin's long-term potential and advises investors to view downturns as buying opportunities.
- He underscored the interconnectivity between crypto and traditional markets, noting that market behaviors can influence each other significantly.
- Carl's early warning is now viewed as prescient, with more individuals beginning to take heed of his insights on market conditions.
- His analysis serves as a timely reminder of the importance of observing indicators and trends before they manifest visibly in the news.
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Mensjournal
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Are the Stock Market, Post Office & UPS Open on Good Friday?
- The post office is open on Good Friday, while the stock market is closed.
- The U.S. Postal Service facilities will have normal operations on Good Friday, with open retail transactions and regular mail delivery.
- The New York Stock Exchange and other financial markets will be closed on Good Friday, as it is one of the nine holidays when the markets shut down completely.
- UPS is open on Good Friday, except for a few specific holidays.
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TechSpot
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Image Credit: TechSpot
Resourceful modder turns an old HDD into a dirt cheap disc sander
- A modder repurposes an old hard disk drive into a custom disc sander.
- The modder used a WD Caviar Blue WD1600AAJS hard drive, along with additional components and tools.
- The modder disassembled the hard drive and installed new parts, leaving only the rotating disc exposed.
- The HDD-based sander serves personal, smaller-scale projects and is lauded for its ingenuity.
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