spacecraft and submarines is that many issues are almost identical. for example on life support you have to add oxygen, scrub out the co2, manage the total pressure, you want to keep the temperature within livable range. that sort of thing. then when you get to the pressures involved the two types of vehicles deviate dramatically. in the case of a spacecraft you re only having to hold in one atmospheric pressure compared to the vacuum of space. when you are going down, down to the mariana trench it is a thousand atmospheres of pressure. here at the titanic it is merely about 500 times the surface pressure of air. which is still obviously an enormous amount of pressure and that is why a spaceship hull is very thin, not much more than a coke can, but it takes numerous inches of steel or in this case carbon fiber to hold out the enormous pressure. plus the design is, you know, a spacecraft has often a more complex shape.
Curveballs 26th April 2023 (with Stern John and Stackfest s James & Joe)
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