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MIT engineers develop a magnetic transistor for more energy-efficient electronics

Transistors, the building blocks of modern electronics, are typically made of silicon. Because it’s a semiconductor, this material can control the flow of electricity in a circuit. But silicon has fundamental physical limits that restrict how compact and energy-efficient a transistor can be.MIT researchers have now replaced silicon with a magnetic semiconductor, creating a magnetic transistor that could enable smaller, faster, and more energy-efficient circuits. The material’s magnetism strongly

Scientists turn plastic waste into clean hydrogen fuel using sunlight

Scientists are using sunlight to turn plastic waste into clean fuels like hydrogen, offering a breakthrough solution to both pollution and energy challenges. While still in development, the approach could transform trash into a valuable resource for a low-carbon future.

MIT scientists finally reveal the hidden structure of a mysterious high-tech material

For decades, relaxor ferroelectrics have powered everything from medical ultrasounds to sonar systems, yet their inner atomic structure remained a mystery—until now. Researchers have finally mapped their three-dimensional structure in unprecedented detail, uncovering hidden patterns in how electric charges are arranged at the nanoscale. The breakthrough not only challenges long-standing assumptions about how these materials behave but also allows scientists to refine the models used to design th

NASA just took a huge step toward the Moon after Artemis II success

Artemis II proved NASA’s deep space systems are ready for the next leap. Orion survived its high-speed return with improved heat shield performance and pinpoint landing accuracy, while the SLS rocket nailed its trajectory. Even the launch pad upgrades paid off, with minimal damage despite the powerful liftoff. With only minor issues to resolve, NASA is now gearing up for Artemis III and future Moon missions.

NASA shuts down 49-year-old Voyager 1 instrument to keep it alive

Voyager 1 just powered down a nearly 50-year-old instrument to stay alive in deep space. The spacecraft is running critically low on energy, forcing NASA to make careful sacrifices to keep its mission going. Despite the shutdown, it continues to send back unique data from beyond our solar system. Engineers are now working on a bold plan that could extend its life — and possibly revive the instrument later.

Quantum entanglement is rewriting our cosmic lens

Astronomers are developing a way to link distant telescopes using quantum entanglement, creating a virtual instrument with unprecedented sharpness. This method replaces fragile optical connections ...

Show HN: I built a RISC-V emulator that runs DOOM

Demo: https://www.youtube.com/watch?v=f5uygzEmdLwHi HN,I built a RISC-V emulator that implements the RV32IM instruction set and a minimal syscall interface to run DOOM. A few weeks ago, I got my first output with a simple hello world assembly program.Since then I have been working tirelessly to get DOOM to run.I needed to figure out how to run C programs first, and came across newlib, which allows the underlying environment to implement the syscall stubs one by one until the progr

Show HN: Valkyr LM Inference with Realtime Guarantees

Valkyr is a fresh take on LM Inference runtimes.It's quite different from llama.cpp, vLLM, or ZINC for example.Written in Zig, and super clean, with no dependencies apart from Vulkan Compute itself of course.While it supports multiple model families and features like an OpenAI compatibility server, a big thing is you can run it with strict time budgets running inside an existing Vulkan host.. think video games, AR/VR apps, edge devices, or robots.In addition it supports a rich probe in

Year old Nepali and unemployed, any advice for me?

I am in a spectacular situation.I graduated from CSE degree a bit late. I was 24 by the time I graduated. Then I worked in private firm for 2+ years.Then I quitted my job to prepare for Government IT jobs because they were stable, gave a Officer Level role for someone who is a BTech graduate.It has been 9 months since I started studying.Although I have little bit of savings, I was living with my parents.The household situation got really toxic with my father and I moved to my uncle's house(

Best Quantum Stock to Buy on the Dip: D-Wave Quantum (QBTS) or IonQ (IONQ)

Quantum computing is a tough business to evaluate because quantum mechanics, quite frankly, doesn't make a lot of sense.

Nvidia Just Announced a Major Quantum Computing Development

The chipmaker is combining artificial intelligence (AI) with quantum computing.

A Look At Xanadu Quantum Technologies (TSX:XNDU) Valuation After Its Recent Share Price Surge

What Xanadu Quantum Technologies Offers and Where the Money Comes From Xanadu Quantum Technologies (TSX:XNDU) focuses on photonic quantum computing platforms, combining hardware and software that are accessible through the cloud for professional and advanced users in research and development. The company reports CA$4.617 million in revenue, with its Computer Services segment accounting for all of this figure. Revenue is concentrated in the United States at CA$3.545 million, with Canada...

Physicists just found a tiny flaw in time itself

Physicists are rethinking one of quantum mechanics’ biggest puzzles: how fuzzy possibilities become definite reality. New research suggests that spontaneous “collapse” processes—possibly linked to gravity—could subtly blur time itself. This wouldn’t affect clocks we use today, but it reveals a hidden limit to how precise time can ever be. The findings open a new path toward uniting quantum physics with gravity.

ICML 2026 Area Chair Experience

Incorporating LLM Use In Review In ICML 2026

Scientists built a memory chip that breaks the rules of miniaturization

A new kind of memory device may finally solve the problem of overheating and battery drain in electronics. By shrinking components to an extreme scale and redesigning their structure, researchers found a way to reduce energy loss instead of increasing it. The result is a tiny memory unit that improves as it gets smaller—something once thought impossible. This could pave the way for ultra-efficient smartphones, wearables, and AI systems.

Powerful AI finds 100+ hidden planets in NASA data including rare and extreme worlds

Astronomers have unleashed a powerful new AI tool called RAVEN to comb through data from NASA’s TESS mission—and it’s paying off in a big way. By analyzing millions of stars, the system has confirmed over 100 exoplanets, including 31 brand-new worlds, and identified thousands more promising candidates. What makes this especially exciting is the discovery of rare and extreme planets, like those that whip around their stars in less than a day and others lurking in the mysterious “Neptunian desert,

Show HN: Cerebion Rivet, post-quantum cryptography vulnerability analyzer

We have been building a platform that analyzes quantum-vulnerable cryptography across four layers: Source code parses ASTs to find RSA, ECC, DH, and weak symmetric algorithms and generates fix suggestions pointing to NIST PQC replacements (ML-KEM, ML-DSA, SLH-DSA) Binaries disassembles PE, ELF, and Mach-O files to detect crypto patterns without source access Network endpoints probes TLS/SSH to identify deprecated cipher suites and whether the endpoint supports hybrid post-quantum key exchan

Show HN: Sentient OS – On-device intelligence layer for your entire digital life

Hi HN :D I'm 20 and I spent a year building something that shouldn't be possible: a custom on-device vision LLM that processes your entire digital life overnight on a phone.We all have thousands of buried screenshots, notes, files, bookmarks, saved posts, etc we'll never find again. The only way to make AI understand all of it is to upload everything to the cloud -- privacy nightmare, and way too expensive at scale. And it shouldn't be possible on-device either: small models

Frozen-neon qubit shows record-low noise in quantum leap

Scientists at Argonne National Laboratory have unveiled a frozen-neon-based qubit platform with noise levels up to 10,000 times lower than most semiconductor qubits. The breakthrough, published in ...

This Week’s Awesome Tech Stories From Around the Web (Through May 2)

RoboticsI’ve Covered Robots for Years. This One Is DifferentWill Knight | Wired ($)“Eka’s robot demos suggest that the company’s approach should enable real robot dexterity with further training. If that’s true, it could revolutionize how robots are used—not only in factories and warehouses but also in shops, restaurants, even households. ‘Trillions of dollars flow through the human hand,’ Agrawal says. ‘To me, this is the biggest problem in the world to be solved.'