Make: Technology on Your Time Volume 23 by Mark Frauenfelder

By Mark Frauenfelder

Arthur C. Clarke famously wrote in 1961, "Any sufficiently complex know-how is indistinguishable from magic." within the subsequent factor of MAKE (Vol. 23) we will exhibit you the know-how adequate to make issues that appear like magic. during this distinctive contraptions factor, dedicated to machines that do pleasant and mind-blowing issues, we will enable you make the subsequent: a magic suitcase that includes an lively soothsayer, an electromagnetic equipment that shoots aluminum jewelry, a shrewdpermanent wood equipment mechanism invented via Renaissance gadgetmaster Leonardo Da Vinci, a miniature digital Whack-a-Mole arcade video game, a tiny yet potent audio amplifier, and a creepy mechanical field that is basically goal is to show itself off. All this and masses, even more in MAKE Vol. 23. MAKE remains to be a pace-setter within the tech DIY circulate as a result of its uncanny intuition to have interaction the interest, power, and keenness of the turning out to be group of Makers -- DIY fanatics, hobbyist engineers/designers, and others who prefer to tweak, disassemble, recreate, and invent cool new makes use of for expertise in impressive tasks they adopt of their backyards, basements, and garages.

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TREGRE 60 54 MY FAVORITE GADGETS Build three handy gizmos that snap, magnify, and play. BY LARRY COTTON ONE-WAY TICKET Pressurize with a plunger that pushes but doesn’t pull. indd 47 6/21/10 2:52:13 PM BEAM WEAPON FOR BAD BUGS How to make a Mosquito Defense Shield. BY 3RIC JOHANSON I have a nice gig: I get paid to invent ways to use lasers, optics, and computers to destroy mosquitoes. I work at Intellectual Ventures Lab, which is part of Intellectual Ventures, founded in 2000 by Microsoft’s former chief technology officer, Nathan Myhrvold.

It’s A 34 really hard. Electrical engineers coming out of school would get about 64% on the test. ” Jeff, a young 33, started out by assembling circuit boards, doing surface-mount assembly, and learning how to test the boards. With his excellent people skills, he soon began doing project management. , who organized the All Hands Active hackerspace there. Bilal’s job was to write the laser-scanner interface for the robot. “I just threw him at it,” Andrew said. ” Meanwhile, Jeff was also looking to find a place in downtown Detroit to set up a hackerspace.

Now that we had a way to see the mosquitoes, we could track them using image recognition and machine vision software (OpenCV is an amazing software package that makes the process of tracking moving objects trivial). Tracking allowed us to lock the bugs into the machine vision software’s crosshairs. But we weren’t ready to start blasting away at them yet. We decided to raise the bar by inventing a system that would shoot only mosquitoes and leave honeybees and other flying insects alone. That led to the second challenge of our system.

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