Temporary scalp tattoo can be used to record brain activity
Tattoos printed onto a person’s scalp can detect electrical activity in the brain and carry signals ...
Read moreTattoos printed onto a person’s scalp can detect electrical activity in the brain and carry signals ...
Read moreA tiny soft lithium-ion battery made from dropletsUniversity of Oxford The smallest soft lithium-ion battery ever ...
Read moreYuichiro Chino/Getty Images In 1818, Mary Shelley invented a technology that has been used for both ...
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