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Image by Till Frers from Pixabay

New bullet trains misfire on old U.S. railroad tracks

Amtrak will soon get 28 high-speed rail cars. But they won't operate at high speeds because Amtrak tracks are outdated.
Velcro, bullet trains and robotic arms: how nature is the mother of invention

Velcro, bullet trains and robotic arms: how nature is the mother of invention

Many of the world’s most inspiring solutions have been created by scientists who stole their ideas from the natural world.

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