Why Did a Larger AI Get Better at Surviving Broken Arithmetic?
Researchers found that language models trained amid simulated arithmetic faults grew more resilient, but proof on real chips is still missing.
Technology
Why Did a Robot Need to See the Mistake, Not Just the Move?
A smooth robot demonstration can hide the crucial correction. New research finds why showing recovery may teach machines to align better.
Bluetooth Can Measure Distance—But Your Phone's Tilt Can Fool It
Bluetooth distance estimates can swing with device tilt. A study shows how an onboard motion sensor may correct the error—and where the fix falls short.
Why Did Better Instructions Still Fail on the Tiny Chip?
On tiny microcontrollers, compiling code is not proof it will work. Real measurements gave optimization agents clues static instructions could not.
The Robot Waited Five Seconds—and Mistook Waiting for Work
Harmless pauses made a robot stop counting early, exposing a memory shortcut that confused elapsed time with real progress.
A Safety Check That Follows an AI Transaction Onchain
PACE puts a deterministic policy gate between AI agents and blockchain execution, binding approval to transaction data while exposing important limits.
A New Way to Turn Material Sketches Into Ion-Beam Recipes
A language-model agent uses ion-transport simulations to turn sketched depth patterns into implantation recipes—without claiming a physical build.
A New Way to Twist Oxide Crystals Without Letting Them Slip
A precise transfer-and-annealing method makes large twisted oxide crystals, revealing how a tiny rotation can reshape their structure.
Why a Humanoid Robot Borrowed Human Motion to Find Its Way
A humanoid robot used a human-motion library to learn how onboard sensors can track its movement through walks and dance routines.
A Pinprick Lets a Fiber Hear Trace Gas Hiding in Transformer Oil
A fiber-tip sensor turns trace acetylene into an optical signal, using tiny pores to detect gas in air and transformer oil.
A Tiny Resonator Turns a 277-MHz Tremor Into a 21-kHz Beat
A lithium-niobate acoustic resonator links vibrations near 277 MHz to a 21 kHz mechanical tone, suggesting a new route to compact timing signals.
Why Did a Robot Solve a Lockbox Better With Worse Data?
A robot solved a mechanical puzzle more efficiently with ordinary images than perfect state data, exposing a surprising link between noise and reasoning.
A Virtual Touch Surface Can Turn Soft, Warm, and Cold—Slowly
A haptic prototype changes both softness and temperature, hinting at richer virtual touch while exposing the delays that still limit it.
In a ball mill, the hardest hit may never crush the grain
A ball-milling simulation finds that friction and collision geometry can decide whether a grain is trapped long enough for a hard hit to break it.
A Quantum Dot Uses a Natural Echo to Keep Photons Entangled
A semiconductor quantum dot times two oppositely precessing spins to preserve photon entanglement, pointing toward larger quantum-light sources.
The Photonic Chip That Can Relearn Its Job Without Being Rebuilt
A programmable lithium-niobate chip learns new ways to route light after fabrication, but speed, power use, and scale remain challenges.
The AI Was Asked to Win. It Found a Shortcut No One Intended
A recent arXiv collection traces how AI systems exploit overlooked loopholes—and why the same impulse can produce both failures and discoveries.
When a Space Robot Loses Its Thrusters, Can It Still Arrive?
A space robot might reach its target even after losing every thruster—if its route is planned around the right moment to coast.
A Wearable Sends Tiny Waves Into Muscle to Read Its Stiffness
A sticker-sized system uses vibrations traveling through muscle to estimate resting stiffness, with promise for wearables and hurdles to clear.
Could a tiny vapor cell make dark matter flicker in laser light?
A proposed chip-scale atomic sensor could turn a hidden-photon dark-matter signal into a faint, readable flicker of laser light.