Home الصفحة الرئيسية البطاقات historyofscience
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Items tagged with: historyofscience
Tag was last used: Sep 29, 2008
 
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ارسل بواسطة:  Hossenfelder
Posted On:  Sep 28, 2008

  The Variational Principle
Lawns in public places all suffer from the same problem: people don’t like detours. In cities throughout the world people search for the fastest route to the workplace, the shortest way to the restroom, the least pricey airline, the most convenient parking spot - depending on resources and...... [view]
ارسل بواسطة:  Hossenfelder
Posted On:  Sep 21, 2008

  100 Years of Space-Time
Die Anschauungen über Raum und Zeit, die ich Ihnen entwickeln möchte, sind auf experimentell-physikalischem Boden erwachsen. Darin liegt ihre Stärke. Ihre Tendenz ist eine radikale. Von Stund' an sollen Raum für sich und Zeit für sich völlig zu Schatten herabsinken und nur noch eine Art...... [view]
ارسل بواسطة:  Hossenfelder
Posted On:  Sep 7, 2008

  Interna II
While my wife is busy with all kinds of last-minute preparations for the conference tomorrow , I've spent the weekend unpacking the last bunch of boxes. Normal life hopefully will resume soon, including an occasional contribution to our blog... In the meantime, just days before the first beam...... [view]
ارسل بواسطة:  Hossenfelder
Posted On:  Jul 24, 2008

  Liquid Helium
This month has seen the centenary of the first liquefaction of helium , the lightest noble gas: On July 10, 1908, a complicated apparatus working in the laboratory of Heike Kamerlingh Onnes in Leiden, Holland, managed to produce 60 ml of liquid helium, at a temperature of 4.2 Kelvin, or...... [view]
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