Tech
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TechRobots may soon actively crawl through your gut
Doctors are working with engineers to develop robotic tools that can crawl through the body to deliver medicine or scout for signs of disease.
By Eric Niiler -
Health & MedicineScientists Say: CT scan
Short for computerized tomography, this technique lets scientists and doctors see insides in detail.
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TechHuman cells form the basis of this artificial eye
Real or fake — you be the judge. Human cells were used to create this test bed for studying both the eye and eye-disease therapies.
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SpacePreparing for that trip to Mars
These scientists are working to make a human mission to Mars a reality.
By Ilima Loomis -
TechIn bobsledding, what the toes do can affect who gets the gold
South Korean scientists have been developing shoes that could give their national bobsled team an advantage at the Olympics.
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TechHow to tell if a drone is stalking you
Is a drone surveilling you? Scientists have figured out a way to tell when it’s streaming video of you or your home.
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ComputingScientists Say: Ampere
An ampere is a unit of electric current. It’s a base unit, meaning it’s one on which all electrical calculations are based.
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TechThis hydropower harnesses energy one water drop at a time
A single drop of water sliding across a surface can light up 15 LEDs. This charging by friction is due to what’s known as the triboelectric effect.
By Ilima Loomis -
ComputingSmartphones put your privacy at risk
Smartphones have become essential companions. But they can leak data about you. In fact, the potential for invading your privacy is higher than you might think.
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ComputingHow to stop phone apps from spying on you
Many apps — especially free ones — collect data on a user and then sell them to advertisers. A new tool can help monitor that misuse of personal data and beef up privacy protection.
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AgricultureRobots will control everything you eat
Robots are now being introduced into all phases of how food is grown and prepared. In the future, though, they will be common.
By Terena Bell -
PhysicsProbing the power of the winds
Young researchers have been exploring the energy in wind to see how best they might tame it, harness it and understand its role in shaping the natural world.
By Sid Perkins