Communicating wirelessly, paint made of nanoparticles can warn when bridges, wind turbines and other structures need repair.
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ABC gum sounds disgusting, but it can be quite pretty — after Ben Wilson gets his hands on it. Olek, the famous yarn artist, has hit London, crocheting on a massive scale. The documentary “Windfall” shows the bitter rancor sowed among the residents of rural Meredith, N.Y., when the wind turbines came to town. Ecotricity builds a lot of wind turbines. It’s now cutting out the banks and pioneering crowd-funded clean energy to do so Flickr / CC BY 3.0 In the same way that solar panels are getting more efficient at converting sunlight into electricity, wind turbines are also getting better at harnessing the wind. There are two main levers that engineers can pull to squeeze out improvements: 1) Modifying the physical characteristics of the turbines, such as the shape of the blades, the components inside th.. Photo credit: bjmcdonald via Flickr /CC BY Yes, wind turbines kill birds. But only a very small number of them, and scientists are hard at work to further improve technology that might prevent these deaths in the future. Cats and sport hunters kill many more birds every year than do wind turbines — which is why this Daily Show bit about duck hunters fighting a proposed wind farm on the grounds that it will kill ducks is particularly amusing: … |
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