Home security and automation are rarely mentioned in the same sentence as the word cheap, but it’s totally possible if you’re willing to do a few things yourself. We checked out a $200 DIY kit called Ninja Blocks, and were able to get a home automation and security system up and running in about 10 minutes. Read more about Build a Cheap Home Automation System in 10 Minutes with Ninja Blocks[…]
Signals that reproduce the four well-known major taste components – salt, sweet, sour, bitter – are transmitted through a silver electrode touching the tip of the tongue. The taste receptors are fooled by a varying alternating current and slight changes in temperature controlled by semiconductor elements that heat and cool very rapidly. http://www.newscientist.com/article/mg22029444.500-electrode-recreates-all-four-tastes-on-your-tongue.html?cmpid=RSS%7CNSNS%7C2012-GLOBAL%7Conline-news#.UpRIJX3TXMK
You create a 3d model and then use the tool to whittle away the block of material http://m.youtube.com/watch?hd=1&v=krRTZqFFn6c&desktop_uri=%2Fwatch%3Fv%3DkrRTZqFFn6c%26hd%3D1