INOVATION: Researchers Create a Metal Structure That Will Not Sink or Stay Submerged Under Water

Even more remarkable is that the trapped air remains trapped almost indefinitely, which the researchers discovered after deliberately submerging one of their aluminum water-repelling sandwiches underwater for two whole months after which it immediately floated back to the surface once released.

Source: Researchers Create a Metal Structure That Will Not Sink or Stay Submerged Under Water

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Unsinkable boats?

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