The Train Optical Illusion - Neatorama

Neuroscientist Al Seckel of Illusion Works made this optical illusion video clip of a vanishing model train that he shared with the New Scientists. See if you can figure out the trick: Link

While New Scientists should be a reputable website, it did try to get me to agree to a virus infection. Proceed with caution.

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I think the track goes in a spiral/loop under the table when inside the tunnel.

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It loops under that extra bit of rock.
Cool.

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Ahem, a true Geek would have a Tardis replica that appears & disappears on a flatbed car when the train goes in or our of the tunnel. That would be a mind bend.

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Just use Acme fast drying InstaTunnel paint (part # 178478-A) endorsed by Wile E. Coyote Super Genius.

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Looks like there are two trains.
As the first enters the tunnel, it immediately diverts underneath the table and continues in a loop.
Meanwhile, a second train which has been hiding in motion underneath, emerges from it's loop from under the table at the exit of the tunnel to appear as if train #1 has disappeared.
And so on...

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Michael R...it could do what you are referring to with just one train going on a loop underneath the track. The creator, Al Seckel, states that it is just one train, "There is one train; it is as long as you see," he says.

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