Monthly Archives: January 2018

Science Birthdays, January 31

1/31/1868        Theodore Richards,     chemist            His father was a painter and his mother a poet, in addition he was interested in music and science. He worked on determining with the greatest possible accuracy the atomic weights of elements and advanced the theory of isotopes with his studies on lead. He worked with Meyer, Ostwald and Nernst. He died in 1928 at age 60.

1/31/1881        Irving Langmuir,         chemist            worked under Nerst at Gottingen, discovered the use of inert gases to extend the life of a light bulb. He discovered an atomic hydrogen blowtorch that could reach temperatures of 6000 degrees. He invented high-vacuum tubes, he devised a theory of catalysis on platinum wires, he also worked on “rain making.” He died in 1957 at age 76.

1/31/1929        Rudolf Mossbauer,     physicist          in 1958 he announced the Mossbauer effect. Atoms recoil as they emit gamma rays, the energy of the gamma ray depends in part on the amount of recoil. This is why gamma rays are emitted with a considerable spread in energy and wavelength. If a crystal takes up the recoil since it is so massive, it confines the wavelength to a very narrow spread. This is the Mossbauer effect.  He died in 2011 at age 82.

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Natural Disasters, January 31

1953    North Sea Flood, causes over 1800 deaths in the Netherlands and over 300 in the United Kingdom.

2011    Groundhog Day Blizzard or North American Blizzard, lasted to Feb 2, killed 24 people.

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Dog Tip of The Day, January 31

Puppy Teeth can be very sharp and dogs like to use their mouth. They aren’t trying to bite you, but it is easy to start bleeding when you play with those sharp puppy teeth. Wear an old long sleeve shirt, especially if it is a bigger dog like a German Shepherd or Lab.

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Science Birthdays, January 30

Today is the birthday of Max Theiler, Born in 1899, He worked out the vaccine for Yellow Fever by passing the virus back and forth in mice then chickens. Got the Nobel prize in 1951 and had no academic degrees.

 

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Natural Disasters, January 30

1607    An estimated 200 square miles of coastline of the Bristol Channel and Severn Estuary in England are destroyed by massive flooding, an estimated 2000 people are killed.

1841    A fire destroyed 2/3 of Mayaquez, Puerto Rico

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Dog Tip of The Day, January 30

There is a lot of freezing and thawing this time of the year. A dog’s water dish will freeze overnight. Make sure you provide water if your dog is kept outside. Be sure to check the bedding too. It is still cold outside. If the temperature is below 32 degrees and the dog is on a chain, you are breaking the law in many states, the animal will be taken away and you will be fined.

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Science Birthdays, January 29

1/29/1773        Friedrich Mohs,           mineralogist     devised the Mohs scale in 1822. died in 1839 at age 66.

1/29/1838        Edward Morley,          chemist            He worked on the relative weights of hydrogen and oxygen in the 1870s and collaborated with Michelson on the famous Michelson-Morley experiment. he died in 1923 at age 85.

The Mohs scale is a scale of hardness to test minerals for hardness. You scratch the mineral with a series of ten different reference minerals going from soft to hard until you find one that scratches it. That tells you how hard it is.

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