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693 |
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691 |
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Discovered: Most Earth-like planets yet by
Jupiter
From a story in World Science:
Link: http://www.world-science.net/othernews/040831_newplanetsfrm.htm
"Astronomers this morning announced the discovery of a...
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691 |
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Mag-beam to Mars? by
Jon Berndt
In this article on MSNBC.com:
http://www.msnbc.msn.com/id/3217961/
"At the start of the trip, the Earth station would focus its
particle beam on the...
( 1 2)
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10 |
690 |
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6 |
690 |
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CATS Balloon Stalk by
[email protected]
Another wild idea.
We do not yet have the materials availible to build a space elevator,
but with todays materials we could build a test case that would...
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2 |
690 |
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Accelerometer/INS question by
dave schneider
Nanotech accelerometers are showing up which offer relatively cheap,
mass-producible devices (to the point that laptops may be able to safe
the heads before...
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8 |
687 |
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Lunar Research Lab by
Arduin
Given the types of extremely hazardous research now being performing
into biological, and potentially nanotech technology. Would it not
make sense to lobby the...
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7 |
686 |
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0 |
685 |
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0 |
684 |
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684 |
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Question about air processing on ISS by
Paul Ciszek
I read a news item about the original air processing machine on the
ISS having been broken for some time, and the astronauts depending
on the older "oxygen...
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3 |
679 |
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NERVA EX-prime details? by
[email protected]
I'm trying to add a direct comparison of nuclear-thermal vs. chemical
engines to the article on the wikipedia. I'm hampered by a lack of even
simple data.
It...
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2 |
679 |
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Interplanetary Express by
Dre
I was thinking recently what would be requirements of an ideal
interplanetary spacecraft capable of carrying humans around the solar system
within reasonable...
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1 |
679 |
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Anniversaries by
Oren Tirosh
As everyone knows, in four days it will be the 100th anniversary of
the Wright brother's first powered human flight.
Tomorrow, however, will be a somewhat...
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0 |
677 |
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Shielding question by
Jim
I have no one to ask this question of, so seems the Usenet might work ;-)
Does anyone think that it might be possible to surround a vehicle with
sodium ions...
( 1 2)
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11 |
676 |
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Why are meteor craters so circular? by
Gary Helfert
Is gravity so strong that a meteor swinging by the earth, moon or planet at
25,000 miles per hour on a tangent trajectory is pulled in for a direct
impact?...
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4 |
676 |
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Ion Drives by
David Findlay
Could anyone point me to some technical documentation on Ion Drive systems?
One thing I'm interested to know is why don't the ion's stick the grid they
are...
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2 |
676 |
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Direct methods for optimal control by
mohamad
Hi,
I will use a direct approch for solving a trajectory optimization
problem(optimal control). I find some approches for this , I have some
queations, If it...
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0 |
676 |
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Solars sails set sailing in space by
habshi
Soon they will reach the speed of light and the next stars
Japan unfurls solar sail in space
The rocket deployed two solar sails, or 'clover type...
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3 |
675 |