Christiaan Huygens

Christiaan Huygens FRS (/ˈhaɪɡənz, ˈhɔɪ-/ HY-gənz, HOY-; Dutch: [ˈɦœyɣə(n)s]; Latin: Hugenius; 14 April 1629 – 8 July 1695) was a Dutch physicist, mathematician, astronomer and inventor, who is widely regarded as one of the greatest scientists of all time and a major figure in the scientific revolution. Continue reading

Invention of a Spirit Level

The spirit level was invented by Melchisedech Thevenot in France, in 1660. Continue reading

1 billion bits of data per square inch

In April 1996 an American computer company IBM (International Business Machines) of Armonk, NY, USA, introduced a disk drive that could hold / store 1 billion bits of data per square. Continue reading