Background. Codman's paradox reveals a misunderstanding of geometry in orthopedic practice. Physicians often encounter situations that cannot be understood intuitively during orthopedic interventions ...

Time for another Fermi problem. There was a recent story in Science News that talked about the effects of the Chilean quakes on the Earth's rotation. The basic idea is that some ginmourmous amounts of ...

Jupiter is the fastest spinning planet in our Solar System, completing a rotation in less than 10 hours. This rapid spin ...

When multi-joint reaching movements are made within a rotating reference frame, additional interaction torques are generated in the form of Coriolis forces. Coriolis forces are a function of the cross ...

This story profiles one of the Offshore Technology Conference's Spotlight on New Technology Award winners. If an exploration and production company is going to use a downhole sensor to relay critical ...

Every dazzling jump on the ice—like Yuzuru Hanyu's quadruple Lutz at the 2017 Grand Prix of Figure Skating in Moscow, Russia—requires a mastery of balance, rotational speed and angular momentum. Aflo ...

During arthrodesis of the shoulder for severe arthritis of the shoulder joint, a surgeon set the patient's shoulder position to 30 degrees flexion, 20 degrees abduction, and 40 degrees internal ...