Would a Human Burst in a Room-Sized Vacuum?

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Discussion Overview

The discussion centers on the effects of a vacuum on the human body, specifically whether a human would burst in a room-sized vacuum and how this scenario compares to the conditions experienced by astronauts in space. The conversation explores concepts related to pressure, heat transfer, and the physiological responses to extreme environments.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant questions if the air pressure in a room-sized vacuum would be zero and whether a human would burst like a balloon in such conditions.
  • Another participant argues that a human would not burst due to the strength of the skin, noting similarities to the pressure experienced in space while highlighting additional factors like radiation and temperature differentials faced by astronauts.
  • A subsequent post raises a question about the rate of freezing in an air-filled freezer compared to a vacuum, suggesting that air molecules might facilitate greater heat transfer.
  • A later reply indicates uncertainty regarding the freezing question, mentioning that heat transfer methods include conduction, convection, and radiation, with space allowing only radiative heat transfer.

Areas of Agreement / Disagreement

Participants express differing views on the effects of vacuum on the human body, particularly regarding bursting versus survival. The discussion on heat transfer in different environments remains unresolved, with no consensus reached.

Contextual Notes

Participants acknowledge that the outcomes depend on various factors, such as temperature and the methods of heat transfer, but do not resolve these complexities.

[Nicolette]
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If all the air is removed from, say a room-sized vacuum, is the air pressure inside the room zero?

and if so, would a human burst like a balloon (the opposite effect of being crushed by an extreme amount of pressure) if put in such a situation? is it similar to the conditions an astronaut would experience outside of the space shuttle?
 
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No you wouldn't burst. Your skin is strong enough to keep you together. It is similar to the pressure of space yes, but an astronaut in space is getting radiated and is subject to extreme temperature differentials.

This may be of interest to you for a little bit more detail: http://en.allexperts.com/q/Popular-Science-357/Space-suit.htm
 
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Thank Cyosis for the link.

Does this mean that we would freeze faster in an air filled freezer than in a radiation free vacuum due to the air molecules allowing greater heat transfer?
 
I cannot answer your question with certainty. It will certainly depend on the temperature in the freezer. That said there are three methods of transferring heat away from your body, conduction, convection and radiation. In space you will only be able to transfer heat by radiating.
 

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