Tech

Tech

Perfect reflections

Physicists have built a mirror that Snow White’s wicked stepmother would certainly not appreciate. It offers a perfect reflection.

Physics

A light twist

A new spin on fiber optics packs hefty data into a small space.

Tech

A new way to eavesdrop

Scientists film throat movements to decode the spoken word.

Animals

Cool Jobs: Moved by life

Biologically inspired robots travel — naturally.

Health & Medicine

Wanted: ‘Smart’ cleaners

Active surfaces will — on their own — help remove everything from insects and germs to poisons.

Chemistry

New bag keeps food fresh longer

Invention harnesses oxygen-trapping power of iron.

Physics

Smile! Dimples boost your mileage

Trucks covered with tiny indentations, like those on golf balls, experience less friction.

Tech

Better chow yields more milk

A more nutritious form of corn for dairy cows boosts farm profits, teen investigator finds.

Tech

Building with moon rocks

Working on the moon with lunar soil and grit could prove easier, more efficient and less costly than using earthly materials.

Tech

Flagging loose bolts

“Smart alert washer” automatically flags when a nut is coming loose, warning of potential danger.

Tech

Avoiding ‘hot’ wheels

Teen designs device that could almost double the life of airplane tires.

Physics

Light dancing on glass

New type of material lets light travel across its surface without interruption.