Video - Stanford scientists develop first lithium-ion battery that shuts down before overheating

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The world’s first lithium-ion battery that shuts down before overheating, then restarts immediately when the temperature cools has been developed.

Until now the batteries have been blamed for catching fire as they are recharged or spontaneously exploding. Such is the safety concerns that dangerous hoverboards were banned before Christmas and many airliners have banned them and other devices from being taken on aircraft. The rechargeable batteries are widely used in many appliances such as laptops, smartphones and cameras because they are lightweight but store a lot of energy.

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Leeds Industrial Museum in Armley will be brimming with excitement on August 1 when, for the first time ever, the historic site plays host to none other than the Yorkshire Open Hat Throwing Championships, the brainchild of Yorkshire-based poet Glyn Watkins. picture Tony Johnson.

Hold on to your hats - hat throwing champs comes to Leeds