4 ms·There was a good xkcd what-if on this a while back. http://what-if.xkcd.com/38/ http://what-if.xkcd.com/38/by tbomb 11y agoThere was a good xkcd what-if on this a while back. http://what-if.xkcd.com/38/ http://what-if.xkcd.com/38/