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To do this, researchers are building IceCube, a gigantic detector tucked deep inside the South Pole. When the detector is completed, it will rest inside a block of ice that measures a kilometer on each side and features more than 5100 sensors. ...
The discovery of the magnetic compass was an event of GREAT importance in the history of people. It was the first documented instrument created by mankind that could be read using a precise scale. Of course the sundial had been around for a long time, but it doesn't move [just it's shadow does...
Mon, Mar 10 | from Mostly Trivial with your host Johnee Bee