Physics
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ChemistryCool Jobs: Repellent chemistry
Chemistry is just one way to repel water in nature. Structure, or the shape of things, is another. To excel at water repellency, the lotus leaf relies on both.
By Sid Perkins -
PhysicsBaseball: From pitch to hits
Radar or cameras track the path of virtually every baseball in major league stadiums.
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PhysicsLiquid undergoes magnetic ‘splits’
The demonstration helps scientists begin how molecules in plants and animals naturally alter their shapes.
By Andrew Grant -
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PhysicsBlack hole mysteries
Scientists are just getting to know the black holes that help anchor our cosmos.
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PhysicsSmile! Dimples boost your mileage
Trucks covered with tiny indentations, like those on golf balls, experience less friction.
By Sid Perkins -
ClimateExplainer: Why a tornado forms
Tornadoes start with a thunderstorm. But they also require other ingredients, such as instability.
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PhysicsLight dancing on glass
New type of material lets light travel across its surface without interruption.
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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