CNET reports that researchers at the University of Twente in the Netherlands have devised what could be a breakthrough building material: paving stones that convert nitrogen dioxide from car exhaust into nitrate, which would then wash away in the rain. The stones contain titanium dioxide, a chemical that catalyzes chemical reactions when exposed to light, [...]
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Two European towns have proven that you don’t necessarily need road signs, curbs, sidewalks and stop lights to have safe intersections where motor vehicles, pedestrians and bicyclists can share the road. Though this seems counterintuitive, for the Dutch town of Drachten and Bohmte, Germany, it has worked brilliantly to reduce accidents and provide an all-around [...]
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