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Photography by Vikram Tank and Ithai Benjamin

Set in Stone

An interactive concrete interface.

By Ithai Benjamin and Vikram Tank

Set in Stone is two concrete tables that interact with each other when touched. The tables’ embedded LEDs are unlit, until you touch one table — then the other lights up. Each time a table is touched, it changes the pattern on the other.

We made Set in Stone for NYU’s Interactive Telecommunications Program’s Winter Show. The materials include a bag of concrete, a few hundred feet of fiber-optic cable, 400 LEDs, an Arduino microcontroller, and some LED drivers.

The concrete blocks are 13"×13"×2" and weigh 30lbs. They were ...

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