Today is the birthday of Pyotr Nikolaevich Lebedev, born in 1866, he was the first to measure the pressure of light on a solid body in his experimental studies of electromagnetic waves, this discovery, announced at the World Physics Congress in 1900 became the first quantitative confirmation of Maxwell’s theory of electromagnetism.
Karl Graebe, born in 1841introduced the terms ortho, meta and para to organic chemistry. He died in 1927 at the age of 86.
1981 Gulf of Corinth Earthquake, A 6.7 magnitude earthquake (Intensity IX, Violent) hit Athens killing 22 people.
2004 Al Hoceima Earthquake, stuck northern Morocco with a maximum Mercalli Intensity of IX which is Violent. At least 628 people were killed.
The average adult dog sleeps about 12 to 14 hours a day.
Today is the birthday of Casmir Funk, born in 1884, he coined the term vitamin which means life amine, he thought all of the vitamins were amines at that time. He died in 1957 at age 73.
1887 2000 people were killed in an earthquake that hit the French Riviera
1917 Southeast Tornado Outbreak, 17 people killed.
1998 Tornadoes in central Florida kill 42 people and destroy 2600 structures.
1999 An Avalanche in the Austrian village of Galtur killed 31 people.
2016 Tornado Outbreak around Louisiana, overall there were 7 fatalities from this outbreak which lasted two days.
A dog should spend between ½ hour and 2 hours of activity per day, Hunting, herding and working breeds need the most exercise. It depends on the breed, size and overall health of the dog. Of course as dogs age, they require less exercise, but it is still important.
2/22/1796 Lambert Quetelet astronomer pronounced (ket lay), He also worked on statistical measurements and found that chest measurements and heights of soldiers varied the same way as bullet holes about a bullseye, and the toss of dice. This produced a bell curve. From this he arrived at the average man. He died in 1874 at age 78.
2/22/1824 Pierre Janssen astronomer He discovered a spectral line that led to the discovery of helium. He published an atlas of photographs of the sun. He died in 1907 at age 83.
2/22/1857 Rudolf Heinrich Hertz physicist student of Helmholtz and Kirchoff. Studied electromagnetic waves but never saw the radio or the structure of the atom. He died at age 36. Chronic blood poisoning
2/22/1879 Johannes Bronsted chemist acid base theory of opposites. He died in 1947 at age 68.
2/22/1962 Steve Irwin