Researchers at Delft Technical University in the Netherlands have invented a new form of concrete that eliminates cracks by patching them up itself. The concrete mix contains bacteria that, when exposed to water, produces limestone, filling in any unwanted fissures.
One of the major side effects of the power outrages in New York and New Jersey following hurricane Sandy is gas stations’ difficulty getting fuel to customers. Shortages have led to seemingly endless gas lines, and in all of this, hybrids have shown their inherent value.
The temptation to build levees, storm walls, and sea gates and to deploy other technological solutions to the problem will be very tempting. It seems obvious that in the face of flood risks, structural barriers and sophisticated pumping systems are key to a city’s safety. However, the history of such technologies suggests they are not without peril and have the potential to increase risk and vulnerability.
In a coffee shop this afternoon, everyone at every table was talking about climate change. People are talking about where they will go next time. To an aunt’s in New Hampshire. A friend with three cottages in Maine. People are talking about their escape plan for when New York stops functioning.
Today Best Buy entered the consumer LED lighting game in a major way with two Insignia light bulb offerings from Cree. Available exclusively at Best Buy, the 40-watt and 60-watt equivalent bulbs have the shape of a traditional incandescent bulb with omnidirectional lighting and they’re sold for $14 and $17, respectively.