Engineer Guy vs. Frickin’ Lasers

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In this, the fourth installment of Engineer Guy Series #4, Bill, Patrick, and Nick show off the engineering that accounts for three key characteristics of laser light: single wavelengths, narrow beams, and high intensities. Highlights include laser retinal surgery, the difference between phosphorescence and fluorescence, and a rather more sophisticated... Read more »

Oobleck for Potholes

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A group Case Western Reserve University undergraduates have created a waterproof Kevlar-reinforced pouch filled with shear-thickening fluid that can be simply dropped into a pothole to effect a quick fix. Under its own weight, the goo flows to take the shape of the pothole. But when a car drives over,... Read more »

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