Yunxing: Space Transportation's supersonic civilian jet prototype. A Chinese aerospace firm tested a detonation ramjet engine for the first time, aiming to power aircraft capable of flying ...

On a simple, human level, it's nice to see an all-time legend hoist a trophy on an NBA court even if it's not necessarily the trophy he'd prefer. We'd obviously rather see him win one in June ...

The Ram Rotor Detonation Engine is still experimental. But it is a quantum leap forward in the development of robust and durable hypersonic systems, both in the civilian and military realms.

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