Re: Another problem with longer flights

jacob navia <jacob@xxxxxxxxxx> wrote:

:Pat Flannery wrote:
:>
:>
:> Borked Pseudo Mailed wrote:
:>> The evolution of species on Earth has depended on gravity for
:>> billions of years. Why are we so ignorant to think that we can solve
:>> the adverse effects of weightlessness within a couple of decades? Why
:>> aren't we more pragmatic?
:>>
:> Weight.
:> Building something that spins and generates 1 g like in 2001 means its
:> going to have to be huge, as studies have shown that unless it's around
:> 400' in diameter the crew are going to get sick as they move around
:> inside of it from having "up" constantly changing between their head and
:> feet as they move from point to point on its periphery.
:> This is going to cause dizziness and nausea.
:> The centrifuge aboard the Discovery was only generating 1/6 g and even
:> then it was way too small to prevent the astronauts from getting sick:
:> http://www.visual-memory.co.uk/amk/doc/gaffe.html
:>
:
:Exactly. That is why human space travel will have to wait
:until we can build huge spaceships.
:
:To just go to Mars, with a 2-3 year stay in space, we would need
:a huge, rotating, ship, shielded from space radiation by several
:meters of water. This will not be feasible with current technology.
:
:We will need a radically new way of accessing space before such ships
:become possible.
:
:With the *current* knowledge we have, automatic robotic exploring is the
:only way to go.
:

You mean the current knowledge YOU have. The rest of us are somewhat
brighter and better informed.

No "huge, rotating, ship, [sic]" is required. A much smaller ship, a
rope, and a counterweight will achieve the same end.


--
"Some people get lost in thought because it's such unfamiliar
territory."
--G. Behn
.

Relevant Pages

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