Archives: July 2007
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July 17, 2007
Vintage computer kits

Jason writes -
Relive the glory (gory?) days of early computing with these two great sites for vintage computer kits. Briel Computers has kits for the Apple I (Replica I) and the Kim-1 (Micro Kim). And, Spare Time Gizmos has a has a kit for the Cosmac ELF (ELF 2k). These kits are great ways to learn the basics of computer architecture and data organization.
Posted by Phillip Torrone |
Jul 17, 2007 10:00 AM
Computers, DIY Projects, Electronics, Kits, Retro |
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| Comments (1)
Nanocarbon from Graphene to Nanotubes to Buckyballs

John writes -
I've got a new posting to my UVA Virtual Lab website entitled "Nanocarbon: From Graphene to Nanotubes to Buckyballs." This page differs from most on the site in that it actually downloads Shockwave 3D models to the user's browser where they can be manipulated and modified. The overall presentation explains how different types of bonding leads from cyclohexane to benzene to graphene to graphite to Buckyball structures, and how the bonding affects electrical conductivity. The presentation also introduces some of the terminology readers will encounter if they websurf into nanoscience research websites.UVA Virtual Lab: Nanocarbon from Graphene to Nanotubes to Buckyballs - Link.
Posted by Phillip Torrone |
Jul 17, 2007 09:00 AM
Science |
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Simple homemade tilt activated switch
imagitronics writes -
I started working on my next project tonight and realized that I needed four tilt activated switches. I wasn't exactly sure what would make a good tilt switch. The majority of online videos and tutorials for tilt switches were either undocumented, mercury based, or actually accelerometers. Luckily I found these small steel hooyahs. I have no idea what they were actually designed for, but they make pretty handy little switches.Simple homemade tilt activated switch - Link.
Posted by Phillip Torrone |
Jul 17, 2007 08:00 AM
DIY Projects, Electronics, Music |
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| Comments (1)
The DIY set-top box in an altoids tin event @ MAKE/ETSY

Just a quick reminder. If you're in the neighborhoo tonight, it would be great to see you at the Y-box solder-up! - Link & directions.
Posted by Phillip Torrone |
Jul 17, 2007 07:00 AM
DIY Projects, Electronics, Events |
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| Comments (1)
HOW TO - Make tofu!
Cool Hunting shows you how to make tofu in this great video - Link.
Posted by Phillip Torrone |
Jul 17, 2007 06:00 AM
DIY Projects |
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| Comments (1)
Doublet amplifier


Sam writes -
A few weeks back I wrote up a blog about the Doublet Headphone Amplifier which lets two people listen to the same audio source with independent volume controls. I got so many emails from folks who were interested in building one that I decided to make another run of the printed circuit boards - and they've arrived!Doublet amplifier - Link.If you want one of the PCBs, email me with your mailing address and I'll drop one in the mail to you at no charge. You'll have to supply the parts and the Altoids tin.
Posted by Phillip Torrone |
Jul 17, 2007 05:00 AM
DIY Projects, Electronics |
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| Comments (9)
Circuitboard earrings


Craig writes in -
Here are some circuit board earrings I've been making for years. Cut a circuit board with a Dremel cutoff wheel, sand the edges straight with a belt sander and then ultra-fine sand the edges and corners smooth. Since it is fiberglass, you must coat the raw edge with a clear nail polish, and make sure there is no lead solder on the back side against your ear. Wear eye protection as always and a dust mask is good too when cutting/sanding fiberglass. The studs and backers can be purchased at a fabrics & craft store by the 50ct. bag. The perfect jewelry for the computer geek or electronics nerd!
Posted by Phillip Torrone |
Jul 17, 2007 04:00 AM
Arts, Crafts |
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| Comments (0)
July 16, 2007
Bubble wrap curtains

Interesting use of plastic bubble wrap. Spotted on Kevin Kelly's Street Use.
Bubble Wrap Lace Curtains - Link
Posted by Gareth Branwyn |
Jul 16, 2007 11:00 PM
DIY Projects, Green |
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| Comments (2)
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