GPS (Global Positioning System)
Engineering / Breakthroughs
The GPS, or Global Positioning System, is the high-tech application of one of the most fundamental principles of geometry. Surveyors routinely use geometry and triangulation to map and lay out areas o continue reading this fact
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Taming Twin Tornadoes
Engineering / Flight
Every time a jet airplane flies through the sky, it creates two invisible tornados. They're not the kind of tornados that strike in severe weather. These tornados are called vortices and can cause pro continue reading this fact
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Drip, Drip Water Clocks
Engineering / Breakthroughs
Water clocks were among the earliest timekeepers that didn't depend on the observation of celestial bodies. One of the oldest was found in the tomb of the Egyptian pharaoh Amenhotep I, buried around 1 continue reading this fact
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