video://www.youtube.com/watch?v=qIXs6Sh0DKs
Here’s a cool video on northern lights!
Check out Zillow.com for some cool current real estate prices by satellite images. Thanks Brian for the info!
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Cool way to generate power using a roof vent turbine!
Daniel writes in with a DIY wind generator made from a roof vent turbine, it’s a little unclear how well it works – but a neat idea…
“We have been looking for a low cost turbine to use for our project. All we had to do was look up on the roof. These turbines are dirt … all » cheap and can be bought at any good hardware store. Come S
I was trying to help my friend’s parent’s research on the web whether it was a good time to buy or sell their house.
Luckily, I stumbled onto this cool free site where you can type your zipcode and it will tell you a nice long-term chart including average listing price, average sales price, and the number of sales of houses during the last couple years and last couple months.
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Here’s a cool video tour of the nuclear fusion reactor! Need we say more?
Scientific American magazine Senior Writer W. Wayt Gibbs takes viewers on a tour inside the DIII-D nuclear fusion reactor, the largest magnetic fusion facility in the U.S.
via wagthis
Check out these cool energy generators with minimal impact on our planet earth!
Hydrogen can be produced by wind turbines and electrolysers on the proposed WINDHUNTER vessels. These ocean going ships will operate out of sight of land either anchored or free floating while facing into the wind and the oncoming waves. Millions of them can operate on the world’s oceans with minimal environmental impact.
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Cool, I’ve always wanted to know how aluminum cans are made, here’s the video for it.
…prominent design feature of beverage cans is that they almost invariably have a slightly tapered top and bottom. Under examination, it is seen that the metal on the lid of the can is significantly thicker than the metal on the sides. This means that a great deal of raw materials can be saved by decreasing the diameter of the lid, without significantly decreasing the structural integrity or capacity of the can…
via