Tech
- Tech
Space umbrellas to shield Earth
A swarm of small spacecraft could help protect Earth from the sun's rays.
- Tech
A New Basketball Gets Slick
Sweat seems to make a new basketball for professional players more slippery.
- Tech
Invisibility Ring
Scientists have invented a ring-shaped device that's invisible to microwaves.
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- Tech
Atomic Drive
Chemists have assembled atoms into tiny molecular cars that motor across a gold surface.
- Tech
Extra Strings for New Sounds
A new musical instrument strums like a guitar but rings like a bell.
- Tech
Snow Traps
A prize-winning science fair project focuses on how snow fences create snowdrifts and increase water supply.
- Tech
Squeezing Oil from Old Wells
Adding certain bacteria to oil wells may allow recovery of crude oil that pumps can't normally extract.
- Tech
Shape Shifting
A futuristic technology aims to have a pile of tiny, robotic beads arrange itself into different shapes.
- Tech
Dancing with Robots
Ingenuity and creativity highlight a contest in which student-built robots play soccer, dance, or go on a rescue mission.
- Tech
Fingerprint evidence
Identifying fingerprints may have a role not just in solving crimes but also in everyday life.
- Tech
Switchable Lenses Improve Vision
Special lenses that automatically focus can help people wearing eyeglasses see more clearly.
