For a simple version of a VAWT that you can build yourself, [BlueFlower] has published several mechanical drawings that detail the layout of the design. The wind power generator uses 24 magnets ...

However, there’s nothing stopping you building a wind tunnel of your ... while a simple fan provides the necessary flow. The desk-sized wind tunnel can then be instrumented with a manometer ...

The warming trend will bring 3 to 6 degrees of warming to coasts & valleys and 4 to 8 degrees across the interior.

Still, flow batteries are making their debut ... or to fill in the gaps between gusts of wind. One major barrier to building more of these battery farms is finding enough vanadium.