Issues

Archaeoastronomers are documenting the work of the astronomers of pre‐Columbian America, drawing on such evidence as ancient written ephemerides and precise astronomical alignments of surviving architecture.

A powerful probe of the structure and dynamics of atoms promises not only to help solve problems in applied physics, but to test our understanding of quantum electrodynamics, relativity and many‐body phenomena.

The past president of APS reviews the issues that occupied the attention of US physicists last year, including a new emphasis on international physics.

Research on band structures of diamond‐type crystals and germanium‐silicon alloys, undertaken in the 1950s to advance the development of transistors,led to a surprisingly different outcome.