Gold leaf transfers could be utilized for trackpads to sense mood –

Scientists from Seoul National College in Columbia have produced a touch pad made from soft and transparent hydrogel that contains lithium salts to do something like a conductor.

Using thermochromic pigments, which change colour as a result of fluctuations in temperature, carried out through the gold leaf. 

Scientists have produced temporary tattoos that may are responsive to touch and may be used to control electronic products like smartphones.

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‘These tattoos enable anybody to produce connects on their own skin,#8217; explains Cindy Hsin-Liu Kao, a PhD student in the Durch Media Lab.

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