From invisible fingerprint scanners to smartphones with four cameras, the changed face of tech in …

Well, if graphene batteries get the go-ahead, it could spell the end of the portable battery pack too. By using graphene — a form of carbon — instead of the common lithium, batteries could hold 45% more charge in the same size and go from 0% to 100% charge in 10 to 12 minutes. In 2018, we are …

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