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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X-Ray Astronomy vs. Medical X-Rays
Engineering / Breakthroughs
It's natural to associate the X-rays from cosmic objects with an X-ray from the doctor's office, but the comparison is a bit tricky. A doctor's X-ray machine consists of two parts: an X-ray source at continue reading this fact
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Seeing In The Dark
Engineering / Breakthroughs
In the movies, there are all sorts of nasty things that can see perfectly well in the dark. More realistic movies also boast their share of 'beasts' that can see in the dark. Who could forget the eeri continue reading this fact
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