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 ...

When designing helical or compression springs, you’ll confront several challenges and trade-offs, especially when it comes to getting the best possible performance from the wire. You will want to use ...

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, ...

Take a steel rod, wrap it into a spiral shape, throw some engineered heat-treating in the mix, and you've got yourself a coil spring. That spring can be used as part of your suspension to support the ...