Researches at Osaka University have been doing some really lilliputian composition by and by , using their newly - invented atomic playpen , which can pass atom by mote . The resulting varsity letter , the words “ Si ” for silicon or “ Yes ” in Spanish , measure only 2 x 2 micromillimetre , just about 40,000 times smaller than the width of a human hair . According to Masayuki Abe , one of the projection scientists , they have hit a limit impossible to outmatch :
It ’s not potential to write any smaller than this .
They accomplish the nuclear pen using the tip of an atomic force microscope , which interacts with the control surface of a semiconductor when it ’s near it by exchaging Si atoms . According to the scientists , this is a fresh step towards the miniaturisation of cow dung , which will eventually take us to impossibly - minuscule information processing system . [ Pink Tentacle ]
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