10 A NEW GENERATION OF WIND TURBINES
These new designs, some of which are inspired by machines of Antiquity, look much more efficient, less likely to come apart, and are a lot more compact than the gigantic 3-blade fans we know. Some are quite beautiful and look like moving sculptures. Lets hope they will repace the old model! That's very good news for the birds, that won't get chewed up anymore, and for the off-grid homesteaders, as wind enery is a necessary complement to solar.