What do we see in the real world?Īre there real-world controls that sci-fi is missing? Let’s turn to NASA’s space suits to compare. But given this speculative tech, one can imagine it working for a whole spacesuit and not just a helmet. If such tech was available, you’d imagine that it would have some smart sensors to know when it must automatically deploy (sudden loss of oxygen or dangerous impurities in the air), but we don’t see it. Guardians of the Galaxy (2012) Peter Starlord puts his Helmet on Gamora in space outside the Kyln. We see this in the Marvel Cinematic Universe with Starlord’s helmet. One nifty thing that sci-fi can do (but we can’t yet in the real world) is deploy biology-protecting tech at the touch of a button. The Fifth Element (1997): Mondoshawan spacesuits have tiny lights along the exterior. A blinking red alert on the surface of a spacesuit could draw attention to the individual with the problem, and make finding them easier. When things are glowing steadily, it means the life support functions are working smoothly. Though nothing yet in the survey tells us what these lights might be for, it stands to reason that one purpose might be as a simple and immediate line-of-sight status indicator. Given that sci-fi technology glows, it is no surprise to see that lots and lots of spacesuits have glowing bits on the exterior. Look for the white plume in the left image and a dark plume on the right. Though not presented as such, the suit certainly confirms for any onlooker that the wearer is breathing and the suit functioning.Īlien (1979): The away team’s suit exhales as they walk the alien wreckage.
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In the movie Alien, as the landing party investigates the xenomorph eggs, we can see that the suit outgases something like steam-slower than exhalations, but regular. There are some non-interface biological signals for observers. Crowe’s medical monitor in Aliens (1986). Remote monitoring of people in spacesuits is common enough to be a trope, but has been discussed already in the Medical chapter in Make It So, for more on biometrics in sci-fi. Sunshine (2007): Cassie warns Capa that he’s using a lot of oxygen.
We see a brief view of her bank of screens that include his biometrics. Similarly, in Sunshine, when Capa and Kaneda perform EVA to repair broken solar shields, Cassie tells Capa to relax because he is using up too much oxygen. Sunshine (2007): Truman asks spacewalker Shelby to calm down since his vital signs are stressed. This is the only food or drink seen in the survey, and it is a simple mechanical interface, held in place by material strength in such a way that he needs only to tilt his head to take a drink. The one example of sustenance seen in the survey appears in Sunshine, we see Captain Kaneda take a sip from his drinking tube while performing a dangerous repair of the solar shields. There are also no nods to toilet necessities, though in fairness Hollywood eschews this topic a lot. Mission to Mars (2000), McConnell verifies that the team can remove their helmets. There are some for low oxygen level warnings and testing conditions outside the suit, but these are more outputs than interfaces where interactions take place. Unfortunately, the survey doesn’t reveal any interfaces being used to control temperature, pressure, or oxygen levels. Additionally, the medical and psychological status of the wearer should be monitored to warn of stress states and emergencies. If the suit is to be warn a long time, there must be some accommodation for food, water, urination, and defecation. Even if temperature, pressure, humidity, and oxygen levels are kept within safe ranges by automatic features of the suit, there is still a need for comfort and control inside of that range. There are probably damned fine psychological reasons to not show astronauts their own biometric data while on stressful extravehicular missions, but there is the issue of comfort. Spacesuits must support the biological functioning of the astronaut.
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