Posted by: bluesyemre | July 22, 2013

World’s slowest-moving drop caught on camera at last

  • Once-forgotten ‘tar pitch’ experiment yields results after seven decades. How long would you be willing to wait for a drop of the black stuff in Dublin? After 69 years, one of the longest-running laboratory investigations in the world has finally captured the fall of a drop of tar pitch on camera for the first time. A similar, better-known and older experiment in Australia missed filming its latest drop in 2000 because the camera was offline at the time. The Dublin pitch-drop experiment was set up in 1944 at Trinity College Dublin to demonstrate the high viscosity or low fluidity of pitch — also known as bitumen or asphalt — a material that appears to be solid at room temperature, but is in fact flowing, albeit extremely slowly.

http://j.mp/12bgKZk

69 yıl sonra sonlanan deney: http://j.mp/18uGfUO


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