Cambridge, Mass. - November 26, 2012 - Now you see it, now you don't. A new device invented at the Harvard School of Engineering and Applied Sciences (SEAS) can absorb 99.75% of infrared light that shines on it. When activated, it appears black to infrared cameras. Composed of just a 180-nanometer-thick layer of vanadium dioxide (VO2) on top of a sheet of sapphire, the device reacts to temperature changes by reflecting dramatically more or less infrared light.
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More news from Harvard University
The Cellular Origin of Fibrosis
Harvard Stem Cell Institute scientists at Brigham and Women's Hospital have found the cellular origin of the tissue scarring caused by organ damage associated with diabetes, lung disease, high blood pressure, kidney disease, and other conditions. The buildup of scar tissue is known as fibrosis.
Reprogramming Cells, Long Term
Harvard Stem Cell Institute (HSCI) researchers, representing five Harvard departments and affiliated institutions as well as the Massachusetts Institute of Technology (MIT), have demonstrated that adult cells, reprogrammed into another cell type in a living animal, can remain functional over a long period.
Adjusting Earth's Thermostat, with Caution
Cambridge, Mass. - November 17, 2014 - A vast majority of scientists believe that the Earth is warming at an unprecedented rate and that human activity is almost certainly the dominant cause. But on the topics of response and mitigation, there is far less consensus.
Harvard Researchers Genetically 'Edit' Human Blood Stem Cells
Harvard Stem Cell Institute (HSCI) researchers at Massachusetts General (MGH) and Boston Children's hospitals (BCH) for the first time have used a relatively new gene-editing technique to create what could prove to be an effective technique for blocking HIV from invading and destroying patients' immune systems.
Study: Maple Syrup Production Declines After Big Seed Year
For decades, maple syrup producers have eyed the weather to help understand spring sugar yields. But new research in the journal Forest Ecology and Management reveals a more valuable metric for understanding – and even predicting – syrup production: how many seed helicopters rained down from the trees the year before?