Spyke

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world

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SpaceX’s Starship breaks up mid-flight, forcing airlines to avoid debris

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Indeed. I'll dunk on modern day Elon any day but there is two ways of developing flying stuff.

One is doing it mainly in offices and development rigs spending tons of money on engineers and simulators of various types to get your data needed for FAA approval.

The other way is spending tons of money on engineers and test flights to get your FAA data.

One is not inherently better than the other, or more dangerous for that matter. One just happen to be more to be more spectacular and make better headlines. It's also quite wasteful I guess but the same goes for most of our civilisation...

climate

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A cargo ship’s ‘WindWing’ sails saved it up to 12 tons of fuel per day

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Not sure about this one example but working in the industry and following the development of wing sails the ones I've seen will fold one way or the other. This example in the article is probably a prototype or even experimental implementation to test the efficency.

Examples of folding sails in development: https://www.theoceanbird.com/oceanbird-wing-560/

https://terntank.com/2023/02/sail-into-the-future/