20/08/2019

Business

Apple debuts credit card as it readies TV+ launch

Apple on Tuesday launched a smartphone-generation credit card in the US and moved closer to hitting the hot streaming television market with a new subscription service.

Energy & Green Tech

New rechargeable aqueous battery challenges lithium-ion dominance

A new rechargeable high voltage manganese dioxide zinc battery, exceeding the 2 V barrier in aqueous zinc chemistry, is the latest invention by City College of New York researchers. With a voltage of 2.45-2.8V, the alkaline ...

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