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Blacktop is exceptionally good at soaking up the sun’s
warmth. Now, a research team has found a way to use that heat-soaking property for an alternative
energy source.
Through asphalt, the researchers are developing a solar collector
that could turn roads and parking lots into ubiquitous—and
inexpensive—sources of electricity and hot water. (
A much cheaper fuel cell could be on its way thanks to a breakthrough cathode built by Australian researchers that uses Gortex, the same material in outdoor clothing. Up until now, fuel cells needed a cathode which contains expensive platinum particles, worth around $3,500 to $4,000. The new cost-effective solution, featured yesterday in the journal Science, uses a thin flexible polymer that conducts electricity at a cost of only several hundred dollars, while producing the same amount of current as the platinum cathode. The plastic also exhibits increased stability.
In a revolutionary leap that could transform solar power into a mainstream energy source, MIT researchers have overcome a major barrier: how to store energy for use when the sun doesn't shine.Good News Login
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