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The congealed mat of yeast and bacteria cells that forms on top of the brewed drink kombucha could be used to make light, cheap and flexible circuit boards for wearable electronics or even partially living rudimentary computers
Technology
22 February 2023
The fermented, probiotic tea kombucha is created by microorganisms that form a matt of organic material on top of the drink Premyuda Yospim/iStockphoto/Getty Images
A byproduct from making kombucha can be used to create flexible electronic circuits, which could be useful for wearable technology or even for making simple computers that are partially alive.
More than 60 bacteria and yeasts are involved in brewing kombucha from sugared tea, and form a mat of cells on top of the drink. This is usually transferred to fresh batches, where it converts sugars into alcohols and then …
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