In this video, The Q shows how to cut the heads out of coins. Start by putting the coin in a vise. Drill a small hole through the coin. Run a jeweler's saw blade through the hole and start sawing away. That's really all there is to it!
Image: The Q/YouTube
If you do soldering work, I recommend getting a pair of these micro flush cutters. They'll cut copper wires flush with the blob of solder, making your work look tidy.
TheBackyardScientist built out a 200 watt laser and mounted it on the roof of his car. In his YouTube description, he wrote three paragraphs about why this experiment did not endanger any airplanes. Previously, he built a handheld 40 watt laser blaster:
Three years ago, Ian Davis was diagnosed with a cancer that weakens the bones. Shortly after, the engineer had an accident in his machine shop that resulted in physicians amputating four fingers on his dominant hand. "When I was still in the hospital I started designing a prosthetic hand," Davis told KOBI News last year. […]
After a successful round of funding on Kickstarter, Fluster: The Social Card Game is now ready to help turn a party or game night into the engaging, surprising, and enlightening social affair you always hoped it would be. A deck of 100 cards, Fluster is chock full of unusual, funny, and thought-provoking questions inspired to […]
Physics may have been that class you sleepwalked your way through in high school. But while it might have just slipped under your radar throughout your academic career, you probably shouldn't have given it such shallow attention. Sure, we could focus on the immediate pluses of a career as a physicist, like the more than […]
If you're out of work…well, first, you have our sympathies. Right now, about 31 million Americans are drawing some form of unemployment benefits, which makes competition for virtually any job savagely fierce. But since nobody wants to wallow in the miseries of unemployment, the only legitimate course left open is to scrap like crazy to […]