Κυριακή 19 Αυγούστου 2012

Newsletter for Sunday 19 August

 

Newsletter - August 19 - Today in Science History  

TODAY IN SCIENCE HISTORY
 NEWSLETTER - AUGUST 19
Before you look at today's web page, see if you can answer some of these questions about the events that happened on August 19. Some of the names are very familiar. Others will likely stump you. Tickle your curiosity with these questions, then check your answers on today's web page.
Births
Philo T. Farnsworth, born 19 Aug 1906, was the co-inventor of the electronic television set.
What TV manufacturer was named after him?
John Flamsteed, born 19 Aug 1646, was an English astronomer who was one of a group of scientists who convinced King Charles II to build a national observatory. He was appointed the first Astronomer Royal (1675-1719).
What national observatory did he help establish?
Deaths
The Scottish engineer who invented the steam engine died near Birmingham, England, on 19 Aug 1819.
Can you name this man?
Blaise Pascal (1623-1662) was a French mathematician, physicist and child prodigy. He invented the first digital calculator to help his father with his work collecting taxes.
Which of the following did he also accomplish? Theory of probabilities. Law of pressure. Invented the hydraulic press.
Events
On 19 Aug 1960, Sputnik 5 was launched into space and was later retrieved with its live animal passengers.
What animals were these first to be retrieved after a space journey?
On 19 Aug 1839, the first process to allow an image to be chemically fixed as a permanent picture was announced. 
What is this photographic process known as?
Answers
When you have your answers ready to all the questions above, you'll find all the information to check them, and more, on the August 19 web page of Today in Science History.

Or, try this link first for just the brief answers.
 


Fast answers for the previous newsletter for August 18:  Cuba; Siemens; paper chromatography;  3000 feet;  the decade including 1891.
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