The Harmonic Drive is a key part of countless robotic applications. Incredibly simple yet quite odd to watch, this gear system is extremely precise with an impressive torque-to-weight ratio, even if ...

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...

There are many reasons why a tooth might hurt, including cavities, cracks, and impaction (when a tooth doesn't fully come up out of the gums). If these conditions are left untreated, a person can even ...

Ultimately, only a dentist can treat a cavity, either by cleaning and filling it or performing more extensive procedures like a root canal or tooth extraction. Never try to live with cavity pain. Left ...

Bonus Dec 01, 2010 Dec 02, 2010 Oct 27, 2010 Bonus Ratio: 1 share(s) for every 1 shares held Bonus Mar 16, 2005 Mar 17, 2005 Jan 24, 2005 Bonus Ratio: 1 share(s) for every 1 shares held Bonus Oct 16, ...