Underwater energy storage is being advanced by adapting the principles of pumped storage hydro for subsea environment ...

It employs around 8.5 million people, 3.5 million of whom are drivers, and has some 14.3 million single-axle and combination trucks registered, which makes up about 5% of all motor vehicles in the ...

referred to the spherical robot as an "agile roly-poly," since the robot's motor-powered internal pendulum oscillates around the sphere's core in a full-range motion, enabling it to roll in any ...