Discover the fascinating process behind building a mechanical 7-segment display entirely from cardboard and simple household materials. Follow step-by-step as the creator designs, cuts, and assembles ...
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The four-inch spaceflight: How Mercury-Redstone 1 nearly ended America’s first human space program
In 1960, NASA’s Mercury Redstone 1 test rose just four inches off the pad, leaving a fully fueled rocket armed and dangerously unstable. The humiliating failure exposed how fragile early American ...
Do you like buses, or do you just like the flippy-flappy displays they use to show route information? Either way, you’ll probably love the flip-disc clock created by [David Plass]. The build is based ...
Ryan Eichler holds a B.S.B.A with a concentration in Finance from Boston University. He has held positions in, and has deep experience with, expense auditing, personal finance, real estate, as well as ...
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