Research Papers in Physics and Astronomy

 

Date of this Version

9-2009

Citation

Physics Today (September 2009) 62: 38-43.

Comments

Copyright 2009, American Institute of Physics. Used by permission. Adam Caprez is acknowledged for the art work.

Abstract

The notion, introduced 50 years ago, that electrons could be affected by electromagnetic potentials without coming in contact with actual force fields was received with a skepticism that has spawned a flourishing of experimental tests and expansions of the original idea.