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 ...

Pulley systems are simple machines that make lifting heavy objects easier. They consist of a rope or cable that passes over one or more wheels (pulleys). A single pulley changes the direction of force ...

The accessory drives—meaning the pulleys and belts used to drive stuff like water pumps, generators/alternators, power steering pumps, air conditioning compressors, and the like—used on all vehicles ...