What was contribution of Max Born to Physics?

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 lattice vibrations. It was inspired by Einstein ‘s […]

What is the history of hole punch?

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 has not much changed after this invention. The […]