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Energy and environmental costs of flying around closed airspaces

Green Car Congress

A recent article by Jacopo Prisco has documented the impact that closed airspace over Russia has on a one specific flight—a Finnair nonstop flight from Helsinki to Tokyo (Narita), using an Airbus A350-900. The basic facts from the Prisco’s article are summarized in the table below. Thus, the current route has about 9.2

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Prominent Universities Sign Open Access Agreements with IEEE

Cars That Think

The University of California and the Conference of Italian University Rectors (a consortium of state and non-state universities known as the CRUI) each recently signed what’s known as a read-and-publish agreement with IEEE. IEEE open-access articles are supported by article-processing charges instead of subscriptions.

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Inside the Universe Machine: The Webb Space Telescope’s Ultra-Reliable Radio

Cars That Think

As previous articles in this series have noted, JWST is parked at Lagrange point L2. It’s an ideal location for JWST to observe the universe without obstruction and with minimal orbital adjustments. Quadrature phase shift keying can double a channel's data rate, at the cost of more complicated transmitters and receivers.

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Who Will Free EV Motors from the Rare Earth Monopoly?

Cars That Think

Ayman El-Refaie, Marquette University Now a sleeper option, synchronous reluctance motors , is getting a surge of interest, thanks to materials-science breakthroughs at GE Aerospace. GE Aerospace declined to make a researcher available to be interviewed for this article.) I am a believer that this type of material is a game changer.”

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MIT researchers develop optimized sulfidation separation process for rare earth and other key metals

Green Car Congress

Their sulfidation approach could reduce the capital costs of metal separation between 65 and 95 percent from mixed-metal oxides. Cite this article Stinn, C., The violet regions are neodymium-rich sulfide, the green regions are praseodymium oxysulfide, and the orange regions are dysprosium rich sulfides and oxysulfides. Allanore, A.

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2021's Top Stories About AI

Cars That Think

Many of this year's top articles grappled with the limits of deep learning (today's dominant strand of AI) and spotlighted researchers seeking new paths. Here are the 10 most popular AI articles that Spectrum published in 2021, ranked by the amount of time people spent reading them. Their article isn't a total downer, though.

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Taming the Climate Is Far Harder Than Getting People to the Moon

Cars That Think

He gave the example of a visitor to the University of Oxford who sees colleges and a splendid library and then asks, “But where is the university?” The category mistake is obvious: A university is an institution, not a collection of buildings. percent of the country’s 1961-72 GDP.

Climate 91