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Old August 11th 03, 12:07 PM
Joann Evans
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Default Why does Ed Lu write about ion engines but not about Nerva?

William Elliot wrote:

On Fri, 8 Aug 2003, Greg D. Moore (Strider) wrote:
"Bar Code" wrote in message
http://www.spaceref.com/news/viewsr.html?pid=9926 talks all about
electric ion engines but doesn't mention nerva type engines. Why?


Umm, because he didn't feel like it? Keep in mind he's writing these leters
on his own time for his own pleasure.

They're great, much better reading than ISS status reports.
How can I email him thanks for his letters,
recommend to NASA that allowance be made for other ISSonaughts
to write such letters.

What's a hand shake like aboard ISS?


Like any other, except I imagine you'd tend to set both participants
into some sort of oscillation, if they're not secured in some manner.

Can I blow somebody away, can I blow myself or equipment away?


Yes, but not easily. Mass/inertia are still the same. You could find
yourself hyperventilating, if the equipment is more than, say, a
free-floating laptop computer....

If I've a peanut floating before me can I suck it in?


Sure. Plenty of video of astronauts/cosmonauts doing such things.
Water can be espically interesting, as long as you don't let it break
up.

Without touching anything and starting from from motionless
can I swim thru air or turn summersaults?


That's been done, too.

I've sometimes wondered what sort of performance one would get feom
one (or preferably a pair) of those small, battery powered handheld fans
under these conditions....

How many balls can an ISSonaught juggle at once?


Juggling as we usually think of it wouldn't work. One assumes gravity
will bring the objects back down.