IFLScience2d
Why Can't We Magnify Light From The Moon To Make Fire?
While you may think that a larger lens would be able to produce fire with moonlight as it can collect more light, or focus it ...
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Randall Munroe’s XKCD ‘Rock Identification’
Randall Munroe, creator of XKCD Permalink ...
Laughing Squid on MSN4d
The Extreme Geographical Changes That Would Take Place if the Earth Rotated 90º
As part of their ongoing "What If?" series, Randall Munroe of xkcd and Henry Reich of MinutePhysics explained what ...
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Randall Munroe’s XKCD ‘SawStart’
Randall Munroe, creator of XKCD Permalink ...