Writing in water with air!
There is a saying in Tamil about unkept promises:'It's writing on water'.
Cambridge researchers have achieved just that by creating a super hydrophobic surface with a switchable water repellency. Binary information can be stored and displayed with just water and air.
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Cambridge researchers have achieved just that by creating a super hydrophobic surface with a switchable water repellency. Binary information can be stored and displayed with just water and air.
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