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Pranav Mistry created a wonderful wearable gesture recognition plus utility software system that does things like projects graphs of quality on grocery items or lets you type on virtual surfaces; His system as depicted at a TEDtalk video uses finger color dots that the computer uses to track gestures
obviously these color dots could be replaced with UV or IR color dots that only the computer sees; further a nonvisible to humans henna like keratin reactive UV material could mean that you just grip a patterning surface once every few months to create a durable nonvisible gesture tracking glyph on your fingers
I think Mistrys wonderful idea can go further with relative pressure sensation; a fluid like a moisturizer with a few particles of pressure sensitive liquid crystal (at UV wavelengths) could actually detect not just gesture It could detect intensity of force or touch
This rather funly would mean that the computer could do things like describe or enhance human touch A backrub or possibly sex could be digitally guided to benefit
wearable gesture recognition 2:00 minutes is where the video gets nifty
[beanangel, May 13 2010]
||"A loud clatter of gunk music flooded through the Heart of Gold cabin
as Zaphod searched the sub-etha radio wavebands for news of himself.
The machine was rather difficult to operate. For years radios had been
operated by means of pressing buttons and turning dials; then as the
technology became more sophisticated the controls were made
touch-sensitive - you merely had to brush the panels with your
fingers; now all you had to do was wave your hand in the general
direction of the components and hope. It saved a lot of muscular
expenditure of course, but meant that you had to sit infuriatingly
still if you wanted to keep listening to the same programme.
||//you had to sit infuriatingly still// Also, you'd only be able
to wash your hands every few months. That's not central to
the idea, though, so not really a flaw.
||The idea of an augmented reality display suggesting where
next to caress one's lover though ... that's just a bit too
posthuman for my taste.
||I don't understand the bit about pressure sensation. If
you're pressing something/someone/someone's something,
how does the computer see the pressure-sensitive ink on
||So basically we would be putting on UV reactive nail polish? Very easy to adopt I suppose. although I can only think of the legion of early adopter geeks painting their nails "web 3.0 invisible"
||[mb] the edges of a grip surface or the areas that touch has recently passed near show color the shift with gradual change just like color changing liquid crystal things (link)
||I was going to put up a link yet even google cannot find color changing liquid crystal things; If you move a pressure point along the surface of an old LCD monitor though it will leave a gradual trail; the pressure sensitive liquid crystal toys at the science center were nonelectric they had a color shit time of immediate to minutes
||the trail occurs absent polarization or electricity If Mistrys group would like to they could put a polarizing filter on the CCD to create orders of magnitude greater contrast plus visibility to software