This Is What 47 Billion Light Years Looks Like
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Astronomers often use very large numbers, and it is often difficult to imagine, let alone visualize, what 47 billion light years might look like. In the year 2003, the Hubble Space Telescope...
Top Quarks and the Search for Extra Dimensions
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On March 2, 1995, it was announced by researchers at Fermilab that the top quark had been discovered. The top quark is the most massive of all observed elementary particles. Like all quarks, the...
Tesla's Demonstration of Radio
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In 1891, Nikola Tesla gave his first demonstration of wireless technology. Two years later, on March 1, 1893, Tesla went public with his radio technology demonstrations in St. Louis. Tesla had...