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How to stop a train in stuttgart (germany)

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Uploaded by on Dec 3, 2009

if you're using this train every day, you probably see some changes in technology from time to time.
In this case, some brainiac mounted some new photoelectric barriers to avoid injuries by the doors.
So, let's see how we can stop the train for a long time with just a little piece of paper,

If we mount the paper at the door , with a little peace of tape. If the door is opened, and starts to close, it moves the paper into the photoelectric barrier, which causes the door to open again.

This will happen until we remove the paper.

But please, do not try this again. We did it just to find out if it works, and we didn't keep the train stopped for longer than 10 seconds, because it's not funy to cause long delays by using bugs in trains :D

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Uploader Comments (DOGY4x4)

  • @strungus93

    erstaulicherweise funktioniert das auch , obwohl die teile eigentlich ganz normale infrarotlichtschranken sind...

    hat jemand ne erklärung warum die dann nicht funktionieren wenn man mit nem laserpointer drauffunzelt ? kann mir schlecht vorstellen dass des nem wald- und wiesen- fototransistor was ausmachen sollte...

see all

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  • Was auch gut klappt: mit dem Laserpointer im Bus auf den Bewegungsmelder zielen xD

  • das ham wir schon in der 7. Klasse im Bus gemacht...

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