This material is taken from Chapter 6 - Wilderness Travel from The Backpackers Field Manual by Rick Curtis. For more details on this exciting book check out The Backpacker's Field Manual Page. This ...

More-powerful controllers and better software lead to broader applications for magnetic bearings. Magnetic-bearings, which support shafts with magnetic levitation rather than mechanical contact, have ...

For decades, satellites have enabled people to peer back at their planet, giving a once unthinkable perspective to what’s going on below. These days, however, these views have become so common most ...

Never mind the wind, waves, storms, shoals and countless other factors that once made sailing across an ocean an incredibly complex task fraught with danger. Perhaps the most confounding aspect of a ...

One of the most demanding applications of real-time control is the active magnetic bearing (AMB). Suspending a shaft rotating faster than 10,000 RPMs in a magnetic field with a gap of .015 ...