Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note ...

Rechargeable Smart Digital Display: The smart digital display allows you to monitor remaining power and operating gear. Our fabric shaver has a built-in 2000mAh rechargeable battery. It can last ...