Energy & Green Tech

Li-ion batteries: Science 'directly into your hand'

They are omnipresent and essential to navigating modern life. Small, light, rechargeable: lithium ion batteries have revolutionised our world in less than three decades.

Consumer & Gadgets

IPhone 11: Are Apple's latest iPhones worth the money?

Now that Apple has unveiled the iPhone 11, 11 Pro and 11 Pro Max, the most obvious question is whether Tim Cook & Co. have done enough to convince you to buy the latest handsets when they hit stores on Sept. 20.

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