A robot built to mimic the movements of a cownose ray takes a dip. Credit: Norm Shafer
Tech & Math

Cool Jobs: Moved by life

Biologically inspired robots travel — naturally

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Oliver's-bumper_feature
Tech & Math

Wanted: ‘Smart’ cleaners

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

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Can you spot the cuttlefish? A common European cuttlefish camouflages itself on the seafloor. Credit: Justine Allen
Tech & Math

Blending in

Engineers take a lesson from nature’s masters of disguise

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Caption: For Valentine’s Day this year, a Japanese company used a 3-D printer to produce chocolate copies of people’s faces. Credit: FabCafe/Think 3D/K’s Design Lab
Tech & Math

‘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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Credit: Stuart Burdford / iStock Photo
Tech & Math

Teens seek invention protection

Increasingly, young researchers seek patents to defend their innovations against theft

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