The efficiency produces all the torque needed to let a 165-pound person walk, but with just a 30W to 60W motor versus SPARKy's 150W -- a big help to battery life that also reduces the AMP-Foot 2.0's weight to that of the fleshy kind.
ENGADGET: AMP-Foot 2.0 prosthesis gives the power of real feet, keeps a light step (video)
2.
The industry, which includes Red Bull, 5-Hour Energy shots and PepsiCo's Amp, had been enjoying enormous growth before coming under intensifying scrutiny in the past year or so.
NPR: San Francisco City Attorney Sues Monster Beverage
3.
The success of Virgin Mobile in the U.K. and Amp'd Mobile in the U.S. prove the so-called mobile virtual network operator business model.