What was contribution of Max Born to Physics?

December 11, 2017

Max Born (1882 1970) was a physicist and mathematician who won the 1954 Nobel Prize in Physics for his research in the area of quantum mechanics, solid-state physics and optics. Max was born in Breslau (now in Poland). His first research paper was published in 1912 on...

What is the history of hole punch?

February 3, 2013

The origin of humble office tool hole puncher or hole punch are quite unknown. For the first time, the two-hole punch was introduced by Friedrich Soennecken, a German businessman and inventor, on 14 November 1886. It was called Papierlocher für Sammelmappen (paper hole maker for binding). The design...