Energy & Green Tech

Tesla's enormous battery amazes in quick outage response

Tesla Motors' grid storage battery in South Australia, switched on at just the beginning of December, has already shown it is up to the job of serving as a backup system in South Australia. Its quick response is the stuff ...

Energy & Green Tech

Device generates light from the cold night sky

An inexpensive thermoelectric device harnesses the cold of space without active heat input, generating electricity that powers an LED at night, researchers report September 12 in the journal Joule.

Security

Protecting EV charging stations from cyberattacks

As the number of electric cars on the road grows, so does the need for their electric vehicle (EV) charging stations and the Internet-based managing systems within those stations. However, these managing systems face their ...

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