Researchers at UC San Francisco have enabled a man who is paralyzed to control a robotic arm that receives signals from his brain via a computer. He was able to grasp, move and drop objects just by ...
Your diaphragm is the muscle that controls your breathing. When you breathe in, your diaphragm contracts and creates negative pressure in your chest. When this happens, the alveoli expand and pull in ...
Top-fuelers burn a mixture that's 90 percent nitromethane and 10 percent alcohol. Interestingly, a gallon of nitromethane, which costs $58, has less energy content than gasoline (14 kilowatt-hours ...
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