In 1912 Paris, an inventor stood atop the Eiffel Tower, determined to prove his homemade parachute could revolutionize flight safety. Believing in his creation, he chose to test it on himself in front ...
Discover the fascinating process of creating your very own DC motor or generator in this detailed instructional video.
Some people climb mountains for thrills. Others jump out of perfectly good airplanes. But in Minnesota, the true adrenaline junkies head to Treasures Galore in Eagan, where the hunt for secondhand ...