May 18, 2013

Unicycle Stance

    How is it that unicycles can stay up with our weight pulling them down?   Unicycles and bicycle stay upright due to a force called Centripetal Force. If you were to leave a unicycle or a bicycle sitting in front of you with no kick stand it would fall over. The reason it [...]

Ultrasonic Sounds

    The older you get, the less sounds you can hear.   Many people know that as you get older it gets harder and harder to hear things. But not many people know that the reason for this is because we have hair cells in our ears that die off and don't grow back. [...]

Falling Objects

    If you had a heavy rock and a light feather in a vacuum chamber they would fall at the same velocity and reach the ground at the same time.   When objects fall they accelerate due to gravity. A common misconception is that heavier objects accelerate faster. In fact all objects on earth [...]