Under current policies, residential batteries increase emissions in most cases

A Tesla Powerwall 2. Another year, another reason to take the promises of residential home batteries with a grain of salt. This month, a group of researchers from the University of California San Diego (UCSD) published a paper in Environmental Science and Technology reporting that there are very few cases in which operating a residential home battery …

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Video: Astronaut Scott Kelly teaches orbital mechanics with Kerbal Space Program

Video shot and edited by Condé Nast Entertainment. Click here for transcript. (video link) If you’re a frequent Ars reader, you’ve likely heard of Kerbal Space Program, the space flight/space crashing/space explosion simulator that lets you create your own vehicles, then fly them into orbit and perhaps even to other planets. Though silly and fun, …

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Not Bander-snatched: Black Mirror confirms fifth season plans

(credit: Netflix) Netflix’s latest Black Mirror “event,” a film titled Black Mirror: Bandersnatch, launched on the streaming service on Friday. The film has garnered attention for its interactive elements, thus capitalizing on a decision-based system announced in June 2017, and fans of the dark-technology series may very well be excited to tap away and decide …

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New Horizons set for humanity’s first ever Kuiper Belt rendezvous

Ultima Thule is starting to stand out above background stars as New Horizons gets closer. Full image credit: NASA/Johns Hopkins Applied Physics Laboratory/Southwest Research Institute/Brian May (credit: NASA) If you want your New Year celebrations to be truly out of this world, then you might consider stopping by the New Horizons website. Following on from …

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