Learn to Cryogenically Harden Metal with an Induction Heater
Cryogenic case hardening is a good way to increase the hardness and rust resistance of bolts.
carbon
Maker Profile: Craig Calfee Builds Carbon Bicycles by Hand
Most hand-made bicycles are built from steel or titanium, but Calfee Designs makes them from carbon.
Weekend Project: The Arc Light
Build an amazing 19th century arc light out of simple materials. Thanks go to William Gurstelle for the original article in MAKE, Volume 20. To download The Arc Light video click here and subscribe in iTunes. Check out the complete Arc Light article in MAKE, Volume 20 and you can see that in our Digital […]
Weekend Project: The Arc Light (PDF)
Build an amazing 19th century arc light out of simple materials. Thanks go to William Gurstelle for the original article in MAKE, Volume 20. View the PDF of this project. And then subscribe to MAKE magazine for other great projects you can do over the weekend.
Electric cars and the smart grid
Photo from Connors934on Flickr A few years ago, I got really into electric cars. Not enough to build one, but certainly enough for me to do a pile of research, find a free electric truck for two students to work on, and to buy another electric car that sat in my garage for a few […]
Can we live at 350?
350.org is hoping to raise awareness of the need and possibilities of reducing the carbon dioxide in the Earth’s atmosphere to 350 parts per million. What can we makers do to turn this challenge into an opportunity? Via judi
Wire Glue, now made with Buckyballs!
ThinkGeek is now selling “Wire Glue,” a conductive adhesive made with micro-carbons. They’re selling a .3 oz bottle for $4. I like what BotJunkie said about it: It looks like a neat product, and I’m sure it works well, but if you’re thinking of getting this rather than learning how to solder… You should just […]
