Τρίτη 22 Ιανουαρίου 2013

Newsletter for Tuesday 22 January

 

Newsletter - January 22 - Today in Science History  

TODAY IN SCIENCE HISTORY
 NEWSLETTER - JANUARY 22

Before you look at today's web page, see if you can answer some of these questions about the events that happened on this day. 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.
Fly - The Unsung Hero of the 20th CenturyToday'sScience Store pick ...

Yesterday's pick: 
For picks from earlier newsletters, see the Today in Science Science Store home page.

Quotations for Today
...neither is it possible to discover the more remote and deeper parts of any science, if you stand but upon the level of the same science, and ascend not to a higher science. - Sir Francis Bacon, English philosopher (born 22 Jan 1561)
Ipsa Scientia potestas est. (For also knowledge itself is power.) - Sir Francis Bacon
True greatness is when your name is like ampere, watt, and fourier—when it's spelled with a lower case letter. - Richard Hamming about scientists such as André-Marie Ampère, French mathematician (born 22 Jan 1775), who are remembered with units named after them
QUIZ
Births
A German physicist, born 22 Jan 1865, was probably the most skillful experimental spectroscopist of his time. In 1895, he studied the spectrum of the newly discovered terrestrial element, helium. It matched identically the solar helium discovered by Janssen and Lockyer. In 1908, he discovered a new series of lines in the hydrogen spectrum, now known by his name.
Can you name this scientist?
André-Marie Ampère, born 22 Jan 1775, was a French mathematician and physicist who founded and named the science of electromagnetism. His interests also included mathematics, metaphysics, physics and chemistry. In 1811, he suggested the name of the halogens.
What is the name of the halogen he suggested?
Deaths
Sir Joseph Whitworth (1803-1887) was an English mechanical engineer who won international recognition as a machine toolmaker.
For what standard is his name most often remembered in the UK?
Events
On 22 Jan 1939, the uranium atom was split for the first time using the cyclotron at Columbia University in New York City. Thus began the Manhattan Project, leading to the construction of the atom bomb.
What type of accelerator was used for the first-ever fission experiment?
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 January 22 web page of Today in Science History.

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

Fast answers for the previous newsletter for January 21: Edwin Aldrin; a rack of Indian-canoe paddles; telephone; investigating the irregularities in the motion of Uranus; magnesium.
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