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iPad, iPod Touch, iPhone, Nexus One, and load of other gadgets and devices that are using touchscreen/multi-touchscreen might add another cool touching feature onto the list!  Quantum physics, have you ever heard of this term?  It’s OK if you and I don’t know what it is, because even we know what the term means, it doesn’t mean that we could understand the stuffs that the Quantum physicists and engineers are doing.  Just the gist of it, it sounds like the field of Quantum Physics provides a clever way for the touchscreen engineers to apply pressure sensor onto touchscreens.  In the future, not only you could use your fingers to wipe the gadgets when ordering commands, but you might also be able to poke the gadgets with various pressure forces for more commands.  Poke them gadgets away!  This technology has been developed by Peratech from UK.  Source.