Making your own FerroFluid is cool. This video shows you how and it’s not that hard. All you need is a rare earth magnet, laser printer toner fluid and some vegetable oil.
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KipKay bring us another easy hack. What is needed a pen, airsoft pellets and medicine bottle. Assemble then have fun pelting your friends with a stream of plastic pellets. 
Project: Key-less door entry, that allows the user to open and close a dead bolt via SMS text messages. The project consists of a Parallax Spinneret Web Server, servo motor, a dead bolt and various home center metal parts. Twilio software runs on the web server monitoring incoming text messages and authenticating … read more on Project: Open Door via Text Message… 
Amazing: UPenn’s GRASP laboratory researchers use quad rotor drones to build structures out of magnetic building blocks. “We tell the quadrotors what structure? to build and they figure out the assembly plan and then build it.” 
If you don’t want to waste those expensive watts to cool your PC during the winter, check out this simple DIY cooler solution that harness the frigid outside are to cool your case. A piece of plywood, a scotch brite pad, flexible duct, and a quick connect is all you need. … read more on DIY Outside Air PC Cooler… 
Not one, not two, but three sets of rotating blades are used to propel the Vicacopter into the sky. With manual and full autonomous autopilot control modes, the tri helicopter is able to achieve surveillance at altitudes grater then 400ft. 
Chip designer, inventor Jeri Ellsworth bring us a great video: A to Z of Electronics the basics of how batteries work. 
Quick and easy hack to get you Nurf Maverick shooter to fire with a little more power. Increase the toys range by 25%
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