We are a step closer to a smartphone that weighs less than a dime

We are a step closer to a smartphone that weighs less than a dime:

You may not have heard of them before, but I can tell you that Aerogels are cool. They are ultra-porous materials that are whipped up from silica gel or even aluminum oxide and may weigh just 15% more than air. Because they consist of so many microscopic air pockets, they are incredibly effective insulators.

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