A man thought he was losing his mind while trying to use the elevator to move some sacks in Guangzhou in China's Guangdong ...

The tech is another way to capture intermittent power from the wind, sun, and waves. Water batteries are another example, ...

Flywheel power systems, also known as flywheel energy storage (FES) systems, are power storage devices that store kinetic energy in a rotating flywheel. The flywheel rotors are coupled with an ...

When electricity is needed, the flywheel’s rotational speed is reduced, and the stored kinetic energy is converted back into ...

A motor/generator driven off the gearbox provides regeneration/boost. However, instead of storing energy in an electrochemical battery it is stored as mechanical energy in a 40,000 rpm flywheel ...