ISS Science Garage - Espresso in Space

ISS Science Garage - Espresso in Space

Key Facts In This Video

  • 1

    The machine brews with superheated water. This requires a combination of heat and pressure, following the ideal gas law (PV=NRT). (0:49)

  • 2

    Astronauts use zero-gravity coffee cups, which use surface tension to keep the espresso from floating away. (2:20)

  • 3

    The water used comes from a combination of fresh and recycled sources, including distilled toilet water, sweat, and other waste. (7:02)

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