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The results demonstrated an unprecedented sensitivity for a strain and pressure sensor, hundreds of times more sensitive than other sensors. In tests with the graphene-enabled putty, the researchers placed the composite onto the people’s chests and necks to measure breathing, pulse, and blood pressure.
![silly putty silly putty](https://www.joann.com/on/demandware.static/-/Sites-joann-product-catalog/default/dw26b1d2a2/images/hi-res/alt/3346707ALT1.jpg)
“If you take the silly putty and stretch it just by one percent, then the current would change by a factor of five: that’s a very small mechanical change with a very big electrical change,” says Jonathan Coleman, the professor at Trinity College Dublin, who led the research. When you apply a voltage to the graphene-infused silly putty, the slightest touch results in a very large change in the current. You suddenly have an extremely sensitive strain sensor. In research described in the journal Science, scientists at AMBER, the Science Foundation Ireland-funded materials science research center based at Trinity College Dublin, discovered that if you added nanosheets into a low-viscosity material like silly putty, its electromechanical properties dramatically changed. The combination makes a new composite that promises to make a super-sensitive strain sensor with potential medical diagnostic applications. It took a team of researchers in Ireland to combine graphene with the children’s toy Silly Putty to set the nanomaterial community ablaze with excitement. Learn more →įor all the talk and research that has gone into exploiting graphene’s pliant properties for use in wearable and flexible electronics, most of the polymer composites it has been mixed with to date have been on the hard and inflexible side.
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![silly putty silly putty](https://i5.walmartimages.com/asr/ff674226-eb91-4c03-8de7-81cecc9c6e15_1.51c48c4776307c2f99d24137bc4800bf.jpeg)
It can flow like a liquid when it is slowly stretched and will "melt" into a puddle over a long enough period of time, and so shows properties of non-newtonian liquids.
![silly putty silly putty](https://m.media-amazon.com/images/I/51iX7EjCtpL._AC_.jpg)
It bounces, showing its rubber qualities. When pressed on comics or other newspaper pages, the loose ink transfers to the Silly Putty, which is then able to be stretched out. It is an example of an inorganic plastic ( polymer). Silly Putty is sold as a 0.47 oz (13 g) piece of plastic clay inside an egg- shaped plastic container. It was created as a scientific accident when scientists in the United States were trying to find a substitute for rubber during World War II. Silly Putty (originally called nutty putty) is a silicone plastic " clay", sold as a toy for children by Binney & Smith Inc.