A pong traffic light in Germany | Dark Hacker News

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A pong traffic light in Germany(youtube.com)

7 points by totallyunknown 13 years ago | 2 comments

A pong traffic light in Germany | Dark Hacker News

SnaKeZ 13 years ago |

Now i hate green light ;)

fluxon 13 years ago |

Wow. (Files U.S. patent)