Electricity in Relation to Science

Sir William Crookes, OM, was a British chemist and physicist. He worked on spectroscopy. He was the founder of vacuum tubes, inventing the Crookes tube, which was made in 1875. Crookes was the inventor of the radiometer, which today is made and sold as a novelty item.
It was calculated that in a single cubic foot of the ether which fills all space there are locked up ten thousand foot-tons of energy which have hitherto escaped notice. Read the book to know more about it!