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Disney touch sensor

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shmokes:
Back on topic, this touch sensor similarly does not seem to require special paint. I have no doubt that, like Moon paint for portals, copper paint provides an excellent conductor for the touch sensor. But all evidence definitively shows that it is one of many surfaces that will do the trick.

ark_ader:

--- Quote from: shmokes on May 14, 2012, 02:13:34 pm ---Nah, you're definitely wrong. Cave Johnson just says that it turned out Moon dust made an excellent portal conductor. This is from the Half-Life Wiki:


--- Quote ---At some point in the late 1970s or early 1980s, Cave Johnson, CEO of Aperture Science, somehow managed to acquire roughly $70 million worth of Moon rock. Upon grinding up and mixing it into gel, he discovered two things: one being that it made a great portal conductor, and the other being that ground Moon rock was "pure poison."
--- End quote ---

If they didn't acquire the Moon rock until at least the 1970s (and they didn't since NASA didn't even visit the Moon until 1969) it would make no sense for 1950s era sections of the Enrichment Center to have signs reminding people not to forget their Quantum Tunneling Device. And the 1950s test chambers require a portal gun to solve the tests. Moreover, there are areas all over the facility as well as outside the facility on which portals can be made--behind walls, in elevator shafts, etc. It would make no sense to just paint random non-test-chamber surfaces all over the place with moon dust. Since it makes absolutely no sense in the story, is never stated, and is never really even implied (again, Cave merely says that he discovered that Moon dust makes an excellent portal conductor), you have to assume that Valve never intended you to conclude that Moon paint is the only viable portal conductor. All signs point to concrete working just fine.

--- End quote ---

Wow.  ::)

shmokes:
Don't be jealous.

fallacy:
 8)

RayB:
this stuff is crap. they just assigned nice little english phrases to what boils down to ranges of resistence. The computer doesnt know the hand is actually under water, all it knows is that the hand touched the plate at the bottom of the tank, creating more conductivty than the hand touching only water (which it didn't even detect).

The tech for body conductivity has been around for decades. I used to have this little toy light that would come on if you touched two metal pads on it with your skin. You could also touch one, have someone else touch the other and when you touched each other it would complete the circuit and the light lit. All Disney is doing here is measuring the conductivity and applying fuzzy logic to it (remember that buzzword from the 90's?).

I'll be impressed when the real world examples they give don't require memorization of specific "actions". he beauty of an iphone screen is how intuitive the touching interface is. If with this stuff we have to memorize hand gestures for specific results, then we're right back at something equivalent to Palm Pilot "Graffiti" (if you know what I mean).

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