Solid-State Electrolytes Push Battery Safety and Density
Replacing a battery's liquid with a solid promises safer, longer-lasting cells. Solid electrolytes could enable lithium-metal anodes with far more...
Month: July 2026
Perovskite-Silicon Tandems Set Solar Efficiency Records
Stacking two solar materials pushed efficiency past long-standing limits. Tandem cells layering perovskite atop silicon capture more of the spectrum....
Optical Computing Revives With Photonic Chips
Computing with light is returning as demand for AI hardware soars. Photonic chips perform key operations with beams instead of...
Differential Privacy Puts a Number on Data Protection
A rigorous framework lets analysts share insights while provably protecting individuals. Differential privacy adds carefully calibrated noise so no single...
Federated Learning Trains Models Without Pooling Data
Models can learn from many devices without their data ever leaving home. Federated learning trains locally and shares only updates,...
Adversarial Examples Expose a Fragility in AI Vision
Tiny, invisible tweaks can fool image classifiers into gross errors. Researchers showed that carefully crafted perturbations make confident models misread...
Grid Cells Reveal the Brain’s Inner Map
The brain contains a coordinate system for navigating space. Grid cells fire in a striking hexagonal pattern as an animal...
Closed-Loop Brain Stimulation Eases Severe Depression
A brain implant that responds to a patient's own signals treated stubborn depression. The 2021 device detects a neural marker...
Sleep Consolidates Memory Through Nightly Replay
The sleeping brain rehearses the day to make memories last. Recordings show that neural patterns from waking experience replay during...
Regenerating a Limb: Lessons From the Axolotl
A salamander that regrows lost limbs is teaching biologists about regeneration. Genomic and cellular studies of the axolotl reveal how...
