Columbia University

Oldest-known stone tools pre-date Homo

Scientists working in the desert badlands of northwestern Kenya have found stone tools dating back 3.3 million years, long before the advent of modern humans, and by far the oldest such artifacts yet discovered. ...

dateMay 20, 2015 in Archaeology & Fossils
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Engineers make world's smallest FM radio transmitter

A team of Columbia Engineering researchers, led by Mechanical Engineering Professor James Hone and Electrical Engineering Professor Kenneth Shepard, has taken advantage of graphene's special properties—its mechanical strength ...

dateNov 18, 2013 in Nanophysics
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New techniques produce cleanest graphene yet

Columbia Engineering researchers have experimentally demonstrated for the first time that it is possible to electrically contact an atomically thin two-dimensional (2D) material only along its one-dimensional ...

dateOct 31, 2013 in Nanomaterials
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