Tech
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- Health & Medicine
Wanted: ‘Smart’ cleaners
Active surfaces will — on their own — help remove everything from insects and germs to poisons.
By Roberta Kwok - Chemistry
New bag keeps food fresh longer
Invention harnesses oxygen-trapping power of iron.
By Sid Perkins - Physics
Smile! Dimples boost your mileage
Trucks covered with tiny indentations, like those on golf balls, experience less friction.
By Sid Perkins - Tech
Better chow yields more milk
A more nutritious form of corn for dairy cows boosts farm profits, teen investigator finds.
By Sid Perkins - 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.
By Sid Perkins - Tech
Flagging loose bolts
“Smart alert washer” automatically flags when a nut is coming loose, warning of potential danger.
By Sid Perkins - Tech
Avoiding ‘hot’ wheels
Teen designs device that could almost double the life of airplane tires.
By Sid Perkins - Physics
Light dancing on glass
New type of material lets light travel across its surface without interruption.
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