Showing posts with label Polystyrene. Show all posts
Showing posts with label Polystyrene. Show all posts

Thursday, December 13, 2012

The ubiquitous foam plastic - Thermocol!




In 1970s, I went to an exhibition conducted by a Polytechnic Institute located at Madurai, South India. There at one of the stalls, students were demonstrating to the public a block of white material that they cut by a heated wire! The hot nichrome wire stretching between two poles cut the block when it was applied from above and pressed down on it.
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