Hoverboards: they’re self-balancing scooters that are currently a hot toy in the sense that they’re very popular, and a hot toy in the sense that they keep bursting into much-publicized flames, sometimes while in use. Airlines all over the world have asked customers to kindly leave their hoverboards on the ground. [More]
lithium batteries
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Virus Could Make Batteries Last 10 Times Longer
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12.9.10“Virus” and “tobacco” are not two words you usually think of in a positive light, but they could be the secret to making batteries last ten times as long. [More]