Easton LaChappelle (HalfFullEffects from Youtube) just took second place in the world in engineering at the Pittsburgh international science fair. I like the way he created his own servo motor, instead of just bolting a store bought servo into his project he used a DC motor which was connected to a potentiometer. The potentiometer was then used as feedback for determining the exact position of the motor. Watch the video at the 4:30 point to see the hand in action.
With a study a link and inflammatory IBD and a lawsuit award of 85 million to a isotretinoin . Isotretinoin also known as Accutane is one of the effective acne available today. Find out how it works, the side effects of...