Electrical Appliances

How a new generation of batteries is keeping hockey players alive in the NHL

With the NHL's electric car program winding down, one of the biggest questions heading into the 2019-20 season is whether the sport will see any more power from lithium-ion batteries.In some ways, it's already happening.As of Monday, the New York Islanders were the only NHL team to use a lithium-ION battery.Last week, the Philadelphia Flyers used a hybrid lithium-air battery.But

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Air Conditioner

How to get more sleep

A new study suggests it's possible to achieve better sleep quality if you don't smoke.In the study published in the journal Sleep, researchers looked at the impact of electronic cigarette use on sleep.They found that e-cigarettes, while less effective than regular cigarettes, may be able to improve sleep quality in people who had smoked for longer periods of time.Study author

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