Rotating-platform knees are constructed of highly conforming polyethylene to reduce contact pressures that potentially cause wear. The mobile nature of the rotating platform can lead to bearing ...

Please provide your email address to receive an email when new articles are posted on . High flexion in total knee arthroplasty (TKA) is any flexion beyond 125°. High-flexion activities such as ...

[Valentin] used a simple concept to build this auto-reversing rotating platform. The concept is extremely simple, the leads for the motor are attached to a double-pole double-throw switch which allow ...

The video shows a heavy-duty lifting and rotating platform designed by Physik Instrumente (PI) for test and qualification purposes. The platform has a capacity up to 10 tons load and includes free ...

What is a fake force? Let me illustrate with an example. Suppose you want to use Newtonian mechanics. You know - where the net force is the rate a which the momentum changes with time? Or maybe you ...

If you've ever taken a slow spin in Seattle's Space Needle, you'll understand the allure of Portland architect Ben Kaiser's tiny, twirling house. Here, he's turned convention on its head by taking a ...