Tech
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TechBetter chow yields more milk
A more nutritious form of corn for dairy cows boosts farm profits, teen investigator finds.
By Sid Perkins -
TechBuilding 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 -
TechFlagging loose bolts
“Smart alert washer” automatically flags when a nut is coming loose, warning of potential danger.
By Sid Perkins -
TechAvoiding ‘hot’ wheels
Teen designs device that could almost double the life of airplane tires.
By Sid Perkins -
PhysicsLight dancing on glass
New type of material lets light travel across its surface without interruption.
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Tech‘Print’ almost anything
3-D printers allow people to build almost anything they can imagine — from toys to food, buildings to body parts.
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ComputingA switch for a living computer
Scientists are finding that computer parts can also be built from DNA.
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ChemistryBuilding a better battery
Researchers develop a way to make batteries that hold more charge and don’t weaken with age.
By Sid Perkins -
TechTeens seek invention protection
Increasingly, young researchers seek patents to defend their innovations against theft.
By Kellyn Betts -