A True Geek’s Keychain Rack
Check out this rather clever Instructable by harari, who used RJ-45 plugs and jacks to create a wonderfully geeky wall-mounted key organization system. [via Lifehacker]
DIY Projects
Frank Kovac and his Homemade Planetarium
Starting in 1995, Frank Kovac took ten years constructing amechanical globe planetarium of his own design despite having no prior engineering experience. The Kovac Planetarium in Monico Wisconsin is only the fourth of its kind ever built as well as being the largest in history at 4000 pounds and 22 feet in diameter.
Adding Bluetooth to a Car Tape Deck
Kevin Roof of Joliet, IL, figured out how to add A2DP Bluetooth to his car’s tape deck. I’ve always wanted to be able to turn my car on, pull out my cell phone, and just play my music library from there. One device, zero wires, infinite satisfaction. After going through countless tape adapters, I got […]
Engineer Mods a Kindle for his Sister
Mike at Geek Republic pointed us to this nifty Kindle mod. He writes: “[Glenn] is an electrical engineer whose sister has cerebral palsy. He hacked together a Kindle with a toy eReader so that she can turn the pages and control the Kindle with ease.” Glenn calls his creation the Frankenkindle.
In the Maker Shed: Reinventing Edison – Build Your Own Light Bulb Kit
The Build Your Own Light Bulb Kit, from the Maker Shed, is a fun science kit designed to excite and engage experimenters of all ages. Recreate Edison’s experiments that lead to the development of the first real light bulb. The kit contains everything (except batteries) you need to build your own working light bulb using the included vacuum chamber and a number of different filament materials including carbon and tungsten.
Grappling Hook Launcher
MIT student Christian Reed built this pneumatic grappling hook launcher. As surprising as it is, there really is no where on the internet where I found any decent instructions on how to make a grappling hook gun. Figuring it would not be that hard to make, I decided to design and make one myself. [Via […]
Bike Theft: Thinking Outside of the Lock
Since most urban cyclists can never be sure what they’ll be locking to, they’ll often keep both a chain and a U-Lock for versatility’s sake. If you had an extra twelve pounds to make your bike theft-proof, how would you do it?
