Andrew Watson’s father, Peter Miller Watson, was the manager of a sugar plantation in British Guiana while his mother was a local woman called Anna (or Hannah) ...
It was while in Boston that Bell’s experiments with sound waves and electricity led to his development of a telegraph-like system to transmit the vibrations associated with ...
While Mendeleev’s approach led to there being some gaps or spaces in ‘periods’ where he believed an element should exist, he was able to calculate the missing element’s atomic mass and ...
The Congress met in New York City, but the 18th Century’s slow forms of transport meant that many of the members didn’t arrive in time for the scheduled start ...