memedumpster There is no better use for LED's. None are possible.
Bort This is way cool. Unlike many optical illusions, this one doesn't exploit a glitch in our brain software; this one is all about our brains making a reasonable, but incorrect, interpretation of information. The reflected lights are behaving exactly like they would if they were distinct light sources in a tunnel, so the brain concludes there's a tunnel. I imagine that visually-oriented machines would come to the same conclusion.
StanleyPain I remember as a kid these things were still really popular in stores in the early 80s. They were usually in with the black-light posters and waterfall signs.
Oscar Wildcat Spencers. Did coke mirrors need running lights? In the 80's, they did!
Old_Zircon There was a period of time in college when the drummer in my band and I would go to Spencers two or three times a month just to laugh at it.
Old_Zircon First time I saw one of these was in the late 90s, somewhere in the southwest, at a restaurant shaped like a UFO.
infinite zest I want to try this with one of my old pinball machines.
Old_Zircon I want to have a tiled floor made of these.