Introduction Before the industrial age people largely had to rely on muscle power to move and lift heavy objects. Simple machines such as pulleys, levers and ramps made it easier for humans to lift ...

Tabloids have seized on the most headline-friendly takeaway - “pulleys built the pyramid” - but the underlying claim is more specific: the pyramid may have grown “inside-out,” using internal sloped ...

The Great Pyramid has always invited audacious explanations, from alien architects to supernatural levitation. Now a cluster of new engineering studies is pushing aside the fringe ideas and replacing ...

Explore the clever mechanics behind pulleys in Jiwi's Machines Episode 2. Discover how simple systems create powerful movements in this exciting Science Extra feature. Trump orders release of Arkansas ...

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.