Talk by Kurt Mendelssohn , F.R.S. of the Clarendon Laboratory, Oxford
In the neighbourhood of absolute zero, strange effects, unobserved anywhere else on the earth, make their appearance: electric currents flow without resistance, liquids climb out of their containers. Dr. Mendelssohn describes these phenomena and suggests that they imply a new state of aggregation of matter.
(The recorded broadcast of July 2)