self-cooling
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Solar cells cool themselves to produce more power
Solar power cells need to stay relatively cool for the sake of both efficiency and longevity, but active cooling (like ventilation) isn't practical; it's expensive, and may block the very rays the cells are supposed to collect. To tackle this problem, Stanford University researchers have created a new form of solar cell that cools itself. The technique embeds a pattern of very small cone and pyramid shapes into the collector's silica surface, bouncing hot infrared wavelengths away while letting in the visible light that generates the most energy.
Miller to introduce self-cooling beer cans next year
We're always keen on technology that improves our beer consumption experience, whether it be coasters and pitchers that signal for help when you need a refill, or mugs that let you share a drink with distant friends. Obviously, then, we were understandably excited to learn that Miller will be the first domestic brewer to utilize Tempra's self-cooling cans for dropping your drink's temperature a minimum of 30º F on command. Self-cooling, and self-heating, technology have been around for awhile, but save for the homemade Peltier Beer personal beverage cooler, this is the first method we've seen to cool down your suds long after the ice in your cooler has melted. Tempra's I.C. Can works by drawing heat out of the beverage with a natural desiccant (drying agent), through a water gel coated evaporator, and into an insulated heat-sink container, once an internal vacuum-seal has been broken. Miller's self-cooled offerings should begin showing up in finer distributors nationwide starting sometime next year, and as you can probably imagine, a sixer of these high-tech brews isn't going to come cheap.
