The Brighterside of News on MSN2mon
Scientists may have finally discovered the origin of the wheel
These tools allow scientists to simulate how a simple device like a roller could incrementally transform into a complex wheel ...
BBC4mon
What is a wheel and axle mechanism?
What is a wheel and axle mechanism? A wheel and axle mechanism is a simple device you make when you connect one or more wheels to an axle. They are used to help things move. A wheel is a round ...