Big Bertha Thing gamma (Image JPG 81K)Cosmic Ray Series
A photograph of the tracks of electrons, ejected by the gamma rays from radium, after these had been filtered, through 2.5 cm. of steel. Some of the electrons have energies of 1 MeV. The photograph was taken, with a magnetic field of 12,000 oersteds.
If you see someone slogging away, but doing it all wrong. Please remember, a great effort, with no results, is worth more than a great result with no effort. The first is purchased at great cost and the latter, in terms of cost, is worthless.(C) Copyright Tony Lance 1997.