Interesting Engineering on MSN
World-first hydrogen drone with ‘negligible thermal signature’ deployed in combat zone
The hybrid version of the Raybird UAV has a "negligible thermal signature", making it ideal for reconnaissance missions.
In eastern Ukraine, quiet nights in the dim corridors of a front-line medical post can shatter in an instant. Medics roused from sleep rush to meet another stretcher wheeled in from the Donetsk front.
In eastern Ukraine, quiet nights in the dim corridors of a front-line medical post can shatter in an instant. Medics roused from sleep rush to meet another stretcher wheeled in from the Donetsk front.
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