When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.

A simple machine is a mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called ...

Introduction: This lesson provides students with a review of simple machines and their tasks. It works best in combination with your lesson on simple machines, or as a review/additional activity.

Most embedded systems are reactive by nature. They measure certain properties of their environment with sensors and react on changes. For example, they display something, move a motor, or send a ...

There’s no shortage of ways to make coffee, but if your priority is to enjoy it rather than spend a lot of brainpower making it, the best easy-to-use coffee makers provide a nearly effortless way to ...

Anyone involved in construction has no doubt felt the effects of the skills shortage. It’s not easy to find seasoned equipment operators these days, and this can significantly curtail productivity on ...

The Princeton University Center for Information Technology Policy has published a report disclosing security vulnerabilities that researchers have detected in Sequoia's AVC Advantage voting machine.