Monthly Archives: May 2016

Julius Richard Petri and the Petri Dish

Julius Richard Petri and the Petri Dish

On May 31, 1852, German microbiologist Julius Richard Petri was born. Petri is generally credited with inventing the device known as the Petri dish after him, while working as assistant to bacteriologist Robert Koch. Julius Richard Petri studied medicine at the Kaiser Wilhelm Academy for Military Physicians. He graduated in 1876 and…
Joan of Arc

Joan of Arc

On May 30, 1431, Joan of Arc aka the Maid of Orleans was burnt at the stake. Joan of Arc is considered a heroine of France for her role during the Lancastrian phase of the Hundred Years’ War, and was canonized as a Roman Catholic saint. Joan of Arc was…
The Flying Serpent of Henham

The Flying Serpent of Henham

On May 27 and 28, a mystical dragon creature was allegedly seen in the village of Henham in Uttlesford, Essex. The dragon was described as some sort of a a winged snake, that attacked several people and then hid in the nearby woods. The first sighting is probably published in…
Edward Lorenz and the Chaos Theory

Edward Lorenz and the Chaos Theory

On May 23, 1917, American mathematician, meteorologist, and a pioneer of chaos theory Edward Norton Lorenz was born. He is best known for pointing out the “butterfly effect” whereby chaos theory predicts that “slightly differing initial states can evolve into considerably different states.” In his 1963 paper in the Journal…
Thomas Gold and the Steady-State Theory

Thomas Gold and the Steady-State Theory

On May 22, 1920, Austrian-born American astrophysicist Thomas Gold was born. Gold was one of three young Cambridge scientists who in the 1950s proposed the now mostly abandoned ‘steady state’ hypothesis of the universe. His work crossed academic and scientific boundaries, into biophysics, astronomy, aerospace engineering, and geophysics. Thomas Gold…
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