Computing
New computer chips do math with light
Two companies have announced photonic devices that could solve specific real-world problems faster and with less energy than conventional computers.
Computing
More Stories in Computing
- Space
How to build an internet on Mars
Future Red Planet inhabitants will need new ways to connect, including improved relay networks and an offshoot internet.
- Artificial Intelligence
AI chatbots can be tricked into misbehaving. Can scientists stop it?
To develop better safeguards, computer scientists are studying how people have manipulated generative AI chatbots into answering harmful questions.
- Health & Medicine
50 years ago, X-rays provided an unprecedented look inside the brain
CT scans can now image the whole body and are even used in other scientific fields such as archaeology, zoology and physics.
- Artificial Intelligence
How artificial intelligence sharpens blurry thermal vision images
A thermal imaging technique uses a special camera and AI to create clear images and accurately gauge distances of objects, even in pitch-blackness
- Computing
Huijia Lin proved that a master tool of cryptography is possible
Cryptographer Huijia Lin showed that the long-sought “indistinguishability obfuscation” is secure from data attacks.
- Neuroscience
An AI can decode speech from brain activity with surprising accuracy
Developed by Facebook’s parent company, Meta, the AI could eventually be used to help people who can’t communicate through speech, typing or gestures.
- Computing
The world’s fastest supercomputer just broke the exascale barrier
The Frontier supercomputer at Oak Ridge National Laboratory in Tennessee clocked in at more than 1.1 quintillion calculations per second.
- Math
How the way we’re taught to round numbers in school falls short
A rounding technique taught in school doesn’t work well for machine learning or quantum computing, but an alternative approach does, researchers say.
- Computing
Now that computers connect us all, for better and worse, what’s next?
The digital revolution has brought chess-playing robots, self-driving cars, curated newsfeeds — and new ethical challenges.
