FW: Materials: Hydrogel makes buildings sweat

这是真正的科技！

不过有一个问题，人类产生的热量越来越多，都排到室外，温度是不是水涨船高啊？室内也不可幸免！恶性循环！节能减排是硬道理！

 

Feed: Nature - Issue - nature.com science feeds
Posted on: Wednesday, 12 September 2012 10:00 AM
Author: Nature Publishing Group
Subject: Materials: Hydrogel makes buildings sweat

 

Materials: Hydrogel makes buildings sweat Nature 489, 7415 (2012). doi:10.1038/489180c Just as mammals can reduce their body temperature by sweating, so a coating of heat-sensitive hydrogel could 'sweat' to cool buildings.Wendelin Stark and his colleagues at the Swiss Federal Institute of Technology in Zurich produced a 3-millimetre-thick layer of thermoresponsive hydrogel. When heated to

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