Issues

The coronagraph, with an artificial moon that permits observations of the sun as though it were in eclipse, is providing a rapid accumulation of data which are raising more questions than they have answered.

The biologist is perhaps as skeptical of the help the physicist can offer the life sciences as the physicist is confident that he has something to offer. But physical concepts are being applied to the study of life both with humility and with prospects for progress.

A recent development shows that obstacle arrays, modeled after the periodic structure of crystals, refract and focus not only electromagnetic waves, but sound waves as well.

Ewald to head physics at Brooklyn Poly

Semiconductors and ferroelectrics; Electrons, cosmic rays, and flash bulbs.

Experimental instrument models described

Chalk River isotopes available

OSA national officers elected

MIT Summer Program