Logitech unveals Solar-Powered Keyboard

There were cries of “impossible!” over Philips’ solar-powered remote last week, and I’m sure even more people will be scratching their heads over Logitech’s solar keyboard too—even though it can work for 3 months in total darkness. The K750 has integrated solar panels, and grabs whatever light it can get while indoors. A solar power app shows you the battery levels and ambient light...