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Ultimate propellent.

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Desert

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Nasa X43a (VR2)

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Nasa X43a

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Turbo scram jet hybrid jet engine

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PK-JS 650 Ram-afterburning turbojet jet engine

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4 bit adder

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Photo camera

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Attempt at a Video recording device....

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Ionic thruster

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High bypass turbofan jet engine

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Twin Boar kerbal space program twin rocket engines

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