Turkey Tests F-16s And F-4s Against S-400 Radars In Defiance Of U.S. Sanctions Threats - The Drive

martes, 26 de noviembre de 2019

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Electrifying ideas – winners named in RAeS electric air race design contest

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Could drone deliveries help the environment? Let’s unpack that

https://www.latimes.com/business/story/2019-11-17/drone-deliveries-environment-trucks


Drones delivering packages could help reduce greenhouse gas emissions — depending on how and where they’re deployed. Above, a Wing Hummingbird drone

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