In 1951 Charles H. Townes sat on a park bench and came up with the theory that would lead to the laser. He won the Nobel Prize for the fundamental work in the field of quantum electronics, which has led to the construction of oscillators and amplifiers based on the maser-laser principle. Charles Hard Townes …
#On_This_Day 122 years ago (27th July 1900) Albert Einstein got his diploma after completing his studies at the Polytechnic Institute in Zurich during 1896-1900. After Einstein had passed the Matura exam in Aarau, he entered the sixth department at the Polytechnic in Zurich, the school for specialist teachers in mathematics and natural sciences. The only …