Issues

Charged‐particle beams are easily manipulated by magnets. Beams of neutral atoms pose a harder problem. A new atomic‐beam optics is using fields of laser light to serve as lenses and mirrors.

These four elements of our environment interact to deliver the largest radiation dose we receive—equivalent to what the world's population would get from several Chernobyls per year.

Three recently discovered poems suggest that T.S. Eliot might have been a remarkably prescient student of physics