(Nanowerk News) Researchers from Toulouse (CEMES) and Ohio University have developed a molecular motor 2 nm in diameter ("Controlled clockwise and anticlockwise rotational switching of a molecular ...

Using a rotation tester when installing a motor saves time and prevents problems such as driving the load backward. In some cases, you must get the motor rotation correct or massive damage will occur.

• Hall-effect sensors used to control dc-electric motors can detect motor rotation direction, and rpm. • Improper inflation of aircraft tires drastically shortens tire life span, leading to premature ...