Key concepts Physics Simple machines Wedges Air pressure Introduction Looking for a cool and surprising project to show to your friends? Give this activity a stab! Take a potato and a straw ...

“I think it’s really cool to build something using a bunch of different (simple) machines,” she said. Both students said the project taught them problem-solving skills, which Fletcher said ...

This ultrasound machine cobbled together from eBay parts and modules is not that machine by a long shot, but it’s still a very cool project that actually gives a peek inside the skin.

Keywords pulleys, fixed pulley, movable pulley, block and tackle, force, lifting, simple machines, weight, mechanics Email us at [email protected] if you have questions about the footage and are ...

A simple electric circuit learns to classify data in a creative new design that could lead to more energy-efficient machine-learning hardware.