Tech
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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 -
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TechSupertiny satellites launched
Researchers are building simple, miniature satellites to bring down their costs and expand their availability.
By Sid Perkins -
TechQuake, quake, go away
French engineers report success in the first test of an underground seismic shield.
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AnimalsFeeling the invisible
Sensor wired into a rat’s brain lets it detect light it can’t see.
By Sid Perkins -
ComputingGenetic memory
DNA is a chemical blueprint that effectively instructs cells on how to work.
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ComputingYour head’s battery
Fluids in the inner ear can actually power an electronic device, such as an implant.
By Sid Perkins