Is a Room-Sized Vacuum Lethal?

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In summary, the conversation discusses the effects of being in a vacuum with no air pressure, specifically whether a human would burst as a result. It is concluded that a human would not burst due to the strength of their skin, but they would experience similar conditions to those of an astronaut in space. The conversation also mentions the link between air pressure and heat transfer, and how this may affect the freezing process in a vacuum compared to an air-filled freezer. However, the exact impact on freezing time cannot be determined.
  • #1
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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  • #2
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 [Broken]
 
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  • #3
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?
 
  • #4
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.
 

1. Is a room-sized vacuum lethal?

It depends on the type and strength of the vacuum, as well as the conditions in the room. A standard household vacuum is not lethal, but industrial vacuums used for hazardous materials can be dangerous if not handled properly.

2. How does a vacuum affect the human body?

If a person is exposed to a vacuum, the air is rapidly sucked out of their lungs and they will quickly lose consciousness. Without immediate medical attention, the lack of oxygen can lead to brain damage and death.

3. Can a room-sized vacuum create a black hole?

No, a room-sized vacuum does not have enough mass or gravity to create a black hole. The concept of a black hole is often misunderstood and requires immense amounts of mass to form.

4. What safety precautions should be taken when using a large vacuum?

The specific safety precautions will depend on the type and strength of the vacuum, but some general guidelines include wearing protective gear such as goggles and gloves, following proper usage instructions, and ensuring proper ventilation in the room.

5. How do scientists study vacuums in a controlled environment?

Scientists use specialized equipment and facilities, such as vacuum chambers, to create and study vacuums in a controlled environment. They also conduct experiments and simulations to better understand the properties and effects of vacuums.

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