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🌌 Hi everyone, Robert here. I hope you’re enjoying The Deep End, a subsection of the Airframe newsletter. If you haven’t subscribed, join the aerospace executives, investors, and deep tech operators who read Airframe and The Deep End.
WSJ: New drones aim to go far higher than jumbo jets and stay there for months
Drones have already shaken up warfare, recently playing a prominent role in the war in Ukraine. But militaries have long sought craft that can provide intelligence at a height beyond the reach of most radar and missile-defense systems, and for extended periods. For commercial users, high-altitude drones can be a way to beam internet services into areas with low connectivity.
Read more here (paywall).
James Webb Space Telescope turns one
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Brimstone becomes the first and only certified ultra-low carbon, carbon-neutral or carbon-negative cement
The certification means Brimstone is now poised to not only disrupt a centuries-old building tradition but also decarbonize the global construction industry, which is one of the biggest producers of greenhouse-gas emissions. At full-scale deployment, Brimstone’s manufacturing process could eliminate well over 2 billion metric tons of carbon dioxide (CO2) emissions each year.
More here.
Airliners vs ground vehicles
Tweet here.