Second hearings of the talks arranged to mark the tercentenary of The Royal Society
2: MATTER AND SUB-MATTER by Denys H. Wilkinson , F.R.S.
Professor of Experimental Physics In the University of Oxford
Scientists now in middle-life look back to the time when science knew only two, or possibly three, elementary particles. Today there are more than thirty, and physicists are striving to find some order in this fundamental field of physical investigation.
: second broadcast
A. R. Ubbelohde , F.R.S., on The Solid State: October 27