Inkjet Printers
At the heart of every inkjet printer, whether it is a color printer or just B&W, there is an ink cartridge that gets shuttled back and forth across the page, leaving a trail of letters or colors. Upon closer inspection, however, it becomes clear that there is…
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Geology
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Established in 1911 by presidential proclamation, Devils Postpile National Monument protects and preserves the…
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Every time a jet airplane flies through the sky, it creates two invisible tornados. They're not the kind of…
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Space Lasers Keep Earth's Air Clean
Space laser technology is coming to our smokestacks and automobiles. Leave it to NASA to take its inventions…
Astronomy
What Is Polarimetry?
Polarimetry is the technique of measuring the 'polarization' of light. Most of the light we encounter every…