Quantcast

Latest Hanyang University in Korea Stories

Image 1 - Carbon Nanotube Muscles Generate Giant Twist For Novel Motors
2011-10-14 07:06:07

Twist per muscle length is over a thousand times higher than for previous artificial muscles and the muscle diameter is ten times smaller than a human hair.

144dfd96494f421d076e9cff137c74281
2008-11-20 12:25:00

Rechargeable lithium ion batteries provide portable devices that require a lot of energy, such as mobile telephones, digital cameras, and notebook computers, with power.


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
Related