Assistant Professor Desmond Loke and his team has just developed the tiniest thermal guiding device to remove heat in electronics.

This research is reported in Nanowerk News: http://www.nanowerk.com/nanotechnology-news/newsid=45475.php

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This is an example of a heat guide in the form of rings which can ‘hide’ the central region of silicon from heat.
(Image: Singapore University of Technology and Design)