Imagine a city skyline — a jagged line of peaks, drops and plateaus — all filled with rooftop farms. This is the dream of Roman Gaus, CEO of UrbanFarmers, which aims to turn city roof space into a place to grow fresh food and even raise fish. Gaus has contributed an essay to the new […]
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A virtual field trip to CERN, via Google Glass May 6, 2013
TEDxCERN is about to begin — watch along May 3, 2013
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