Light-Field Photography Revolutionizes Imaging
A new generation of cameras promises an imaging revolution
May 2012
Geek Life | Cover Story
John L. Hennessy: Risk Taker
Stanford University’s president predicts the death of the lecture hall as university education moves online
By Tekla S. PerryFeatures
Update
A New Twist on Radio Waves
Using the angular momentum of light could make one radio channel into two, three, or more. But many wireless experts are skeptical
Landauer Limit Demonstrated
Scientists show that a 50-year-old principle limiting future CMOS computing is real: Erasing information gives off heat
Snails in a Race for Biological Energy Harvesting
Tinkering could tailor snails to spy for us
Departments
E-mail Isn’t Killing the Post Office
Revenues at the U.S. Post Office are doing just fine, thank you
Pixels: Size Matters
A camera’s sensor area, not its pixel count, determines the quality of a photograph
The Poor Man’s Solder Reflow Oven
A cheap controller and a Walmart toaster oven kept the price down
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