Computing
A new frontier awaits — computing with light
Today’s computers process using electrical signals. But light shows promise as a new means of computing, especially for AI.
Featured Stories
Word of the Week
Brain
Scientists Say: Dopamine
This brain chemical helps focus our attention and plan our path toward success.
Experiments
Materials Science
Experiment: The surprising strength of eggshells
Architecture is full of arched doors, windows and other structures. But how strong is the natural arch of eggshells?
Technically Fiction
Animals
To clear loops, Sonic the Hedgehog must hit the right speed
Most animals don’t run through loops. Sonic would need the physics behind roller coasters and race cars to clear one.
What's Hot
Brrrr
Watch This
Play the video
A springtail’s spring-loaded backflip is fast — really fast
Globular springtails can seem to vanish as they spin backwards at rates of up to 368 rotations per second! So don’t blink.
