Researchers have created a device that generates mechanical power at night by harnessing the natural temperature difference between warm ground and the cold of outer space. Engineers at the, Davis, ha ...

In this fascinating video, we journey through the intricate process of building a rotary valve engine from scratch. Watch as ...

‘Wicked': Man Who Grabbed Ariana Grande on Singapore Red Carpet Charged in Court NYPD body cam video shows officers pull teen ...