some hackers at cmu decided to make the better pogo stick. instead of a coil spring, it stores energy in a fiber composite bow. the bow spring stores 2-5 times as much energy per unit mass, and ...

Compound bows (unlike recurve bows, their more mechanically-simple relatives) use a levering system with pulleys and spring tension to grant the user a mechanical advantage. We’re not exactly sure ...

David Levi, also known as Magnetovore, is a student studying electrical engineering who has created a fantastic and very innovative magnetic cello. This unique instrument resembles the size, shape, ...