Questions tagged [transportation]

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What is the carbon footprint of Spacex's plan for earth-to-earth transport plan compared to commercial aviation?

According to many articles around the web as well as the SpaceX official website (https://www.spacex.com/human-spaceflight/earth/index.html), Elon Musk plans to replace intercontinental flights with ...
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Is Alert (in Canada) a harbor/port? [closed]

Alert, in Qikiqtaaluk Region, Nunavut, Canada, is northernmost permanently inhabited place in world. The site was first visited by Sir George Nares, who commanded HMS Alert in 1875-76, the first ...
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Time it takes for a gas to go to the equator [closed]

The question is the following: In order to understand the sources and sinks of greenhouse gases we need to understand their transport, both vertically and horizontally. It takes _______ time for a ...
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How does salting roads help prevent ice?

What kind of salt is used to keep roads from getting icy and how does it work? Why does ice get thick in some places and other nearby places there is no ice?