Tell Time the Thermochromic Way

Arduino Craft & Design

Until now, I didn’t know the technical term for the phenomenon that made my prized Hypercolor sweatshirt so special in the 1980’s. This cool clock by Che-Wei Wang and Taylor Levy uses that same concept—thermochromism—to tell time:

Thermochromic Clock is a 4-digit 7-segment timepiece. Each segment in the display is made with a length of nichrome wire and then covered by a thick layer of black thermochromic paint. Time is displayed by applying voltage to the nichrome wire. As the wire sustains an electric current, it heats up the surrounding thermochromic paint, causing it to become transparent.

[via Creative Applications]

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2 thoughts on “Tell Time the Thermochromic Way

  1. Uzair Khatri says:

    Watch live online TV channels broadcasting on the Internet. Huge collection of free Live internet TV stations www.liveboxtv.blogspot.com/

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Matt Richardson is a San Francisco-based creative technologist and Contributing Editor at MAKE. He’s the co-author of Getting Started with Raspberry Pi and the author of Getting Started with BeagleBone.

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