Tech
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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 -
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TechHow to stop a speeding bullet
Scientists take a close look at a plastic that has Superman’s ability to stop a speeding bullet.
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TechCool Jobs: The science of secrets
Researchers harness science to encode — and decode — hidden messages.
By Susan Gaidos -
TechColor-changing robot
Tiny tunnels within the “skin” of a robot allow it to blend in with or stand out from its surroundings.