The prototype radiotherapy system combines a fixed vertical radiation beam with horizontal patient rotation. (Courtesy: Paul Liu) Radiation therapy plays a fundamental role in cancer treatment, but ...

An advanced particle accelerator designed at the U.S. Department of Energy's Brookhaven National Laboratory could reduce the cost and increase the versatility of facilities for physics research and ...

In most motorbikes and cars, headlight controls are limited. They have a fixed direction of beam and it can only be switched between high beam and low beam. This makes it difficult to drive when there ...

Treatment concept During static arc delivery, the patient is placed in an upright position and rotated to the planned treatment angles; the beam is switched off during rotation and only delivered in ...