Graphene is a rare, massively porous synthetic material that conducts heat ten times better than copper. Which is a lot. That quality alone makes graphene phone cases a perfect application — when your phone is running warm, it uses more battery; keep your phone cooler and it’ll be more efficient. The cases are from an outfit called Nanocase, which claims that the harder you work your phone the more benefits you’ll see (which makes physical sense).
The catch is, you’ll only be able to grab cases via Amazon UK. So if you’re reading this from across the pond…we’re jealous.
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