The gravitation water vortex power plant is a type of micro hydro power plant which is capable of producing energy using a low hydraulic head of 0.7–3 metres (2 ft 4 in–9 ft 10 in). The technology is based on a round basin with a central drain. Above the drain the water forms a stable line vortex which drives a water turbine.
Build your own supercomputer out of Raspberry Pi boards Summary: Who says you need a few million bucks to build a supercomputer? Joshua Kiepert put together a Linux-powered Beowulf cluster with Raspberry Pi computers for less than $2,000. Steven J. Vaughan-Nichols By Steven J. Vaughan-Nichols for Linux and Open Source | May 23, 2013
Macbook Pro; I will only use Apple computers as long as I live. I've had others and I'm not looking back. They are the best computers with the best software and a user friendly system. Great for a moviemaker, artist, or musician.
$ - Grades 3, 4, and 5 Encyclopedia Scavenger Hunts & Lesson Plans - A set of 4 scavenger hunts with lesson plans designed for use with World Book Online (TM), but can be used with other encyclopedias, online or print.
A Clever Way to Hide Clutter: Behind Fake Books! | Martha Stewart Living - Are you looking for a way to hide wires, a router, or maybe your remotes? Hide your clutter in plain sight behind these DIY fake books. Even better, they are easy (and inexpensive!) to make.