The First Recorded Standard Unit of Length

The first recorded unit of length was approximately 2.7 feet (0.8 meters) used by megalithic tomb builders of Europe around 3500 BCE Continue reading

First Photograph of the Sun

In 1845, Jean-Bernard-Leon Foucault, a French physicist and inventor, took a photograph of the sun. Continue reading

Napoleon Bonaparte

Napoléon Bonaparte (French: [napoleɔ̃ bɔnɑpaʁt]; 15 August 1769 – 5 May 1821) was a French statesman and military leader who rose to prominence during the French Revolution and led several successful campaigns during the French Revolutionary Wars. Continue reading

Rosetta Stone found in Egypt

Egyptian archeological digs were performed by a group of French scholars, historians, engineers, and surveyors as members of Napoleon Bonaparte’s invading army in 1798. Continue reading

Scientists in the Armed Forces

Scientists were members French Army's Commission of Science and Arts under Napoleon Bonaparte that conquered Egypt in 1798. Continue reading

Hydrogen Sulfide Gas Believed Incapable of Liquefaction

Hydrogen sulfide gas believed to be incapable of liquefaction until 1818 when Michael Faraday, an English chemist, physicist, and master experimentalist began by cooling the gas in a pressurized environment. Continue reading

First Published Ephemeris

Let’s begin with the definition of the word Ephemeris:

Ephemeris is a table or data file giving the calculated positions of a celestial object at regular intervals throughout a period or basically a diary of celestial objects positions.
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Heike Kamerlingh Onnes

Kamerlingh Onnes was born in Groningen, Netherlands to father, Harm Kamerlingh Onnes a brickworks owner and mother, Anna Gerdina Coers from Arnhem. Continue reading

Dorothy Crowfoot Hodgkin

Dorothy Mary Crowfoot Hodgkin OM FRS Hon
FRSC (12 May 1910 – 29 July 1994) was a British chemist who developed protein crystallography, for which she won the Nobel Prize in Chemistry in 1964.
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Mercury a Superconductor?

In 1911, Heike Kamerlingh Onnes, Dutch physicist and Director at the University of Leiden’s Cryogenic Laboratory, discovered that if you cool mercury Continue reading