One of the simplest robots to make is a bristlebot — a motor with an offset weight is attached to the head of a toothbrush, and the resulting vibrations will move the contraption across a ...

+1 Speed Keyboard Escape is an incremental simulator where you'll run across keys and complete obstacle courses to finish stages. With each step you take, you'll earn more speed and level up. Lots of ...

Katherine Haan, MBA, is a Senior Staff Writer for Forbes Advisor and a former financial advisor turned international bestselling author and business coach. For more than a decade, she’s helped small ...