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//Personal Secretary Data Assistance//

The human body can briefly survive the hard vacuum of space unprotected,
despite contrary depictions in much popular science fiction. Human flesh
expands to about twice its size in such conditions, giving the visual
effect of a body builder rather than an overfilled balloon. Consciousness
is retained for up to 15 seconds as the effects of oxygen starvation set in.
No snap freeze effect occurs because all heat must be lost through thermal
radiation or the evaporation of liquids, and the blood does not boil because
it remains pressurized within the body. The greatest danger is in attempting
to hold one's breath before exposure, as the subsequent explosive
decompression can damage the lungs. These effects have been confirmed
through various accidents (including in very high altitude conditions, outer
space and training vacuum chambers). Human skin does not need to be
protected from vacuum and is gas-tight by itself. Instead it only needs to be
mechanically compressed to retain its normal shape. This can be accomplished
with a tight-fitting elastic body suit and a helmet for containing breathing
gases, known as a space activity suit.

// End //