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The Manhattan Project's Trinity test bomb detonated on July 16, 1945. The light, noise, shockwave, and fallout cloud were ...
You can also hold a “Tallest Tower Contest,” where kids compete to build the highest freestanding LEGO tower without it ...
These human-made landmarks around the world defy expectations of what man can create—and they sometimes seem to defy gravity itself Awesome creations These amazing structures seem too intricate, too ...