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#801 Re: Civilization and Culture » why scientists need to worry about society issues » 2003-01-27 12:34:52

we found bacteria on the martian asteroid.  theres a weee bitty bit of data right there.

#802 Re: Civilization and Culture » why scientists need to worry about society issues » 2003-01-27 12:18:08

But youre assuming with your poker analogy that our conditions are the only conditions conducive to life-what if life could evolve under completely different conditions?  I dont think we are the only possible outcome.

#803 Re: Pictures of Mars » Favorite Sci-Fi Movie? - Blade Runner for me. . . » 2003-01-27 12:15:20

1.  The wizard was gandalf-he was a friend of the ents who came back.

2. Yes, that was the evil wizard, gandalf broke his spell, defeating him at that point.

3. They went another way, to the south, which is warmer.  mordor is evil-hence the storminess.  Its also got a volcano at the middle, mount doom, which is where frodo and sam are heading.

#804 Re: Mars Rovers / University Rover Challenge » Pressurized Rover Designs - How far away are we? » 2003-01-27 11:29:20

ive got an idea for a fuel cell that i might try to put together.  if it actually can work, you wouldnt need much fuel at all.

#805 Re: Civilization and Culture » why scientists need to worry about society issues » 2003-01-27 10:39:40

you know, just because we cant see across that big body of water, the earth is flat.

youre forgetting one thing: math is profoundly against you.  life has evolved many times on this planet alone.  if you want to believe that we are the center of the universe, i wont stop you.  because what youre saying is no different.

actually, trillions of stars does dictate the existence of an ET.  there is no possible way that we are the only planet that has habitable conditions.  i defy you to explain to me how this exact point in the universe is the only point that can produce coniditions that melt ice, forming water.  your argument is ludicrous, at best.

#806 Re: Human missions » NASA eyes nuclear-powered rocket » 2003-01-27 07:42:25

In an article at spacedaily.com, Bruce Gangon actually talked about the pro-nuclear people "indoctrinating" the students of our country.  What a joke!  Those industries are the best at indoctrination, going on their marches and rallies without any real knowledge of what they are protesting.

#807 Re: Interplanetary transportation » Nuclear Propulsion - The best way for space travel » 2003-01-27 07:32:07

Oh jeez, saying solar is reliable 24/7/365 is a joke.  In New York, for example, theres bad weather, lets say, once a week.  It is very rare to get strong sunlight, or temperatures above 90 degrees.  Are you going to tell me that Im going to get 100% efficiency out of my solar plant all the time?  No.

It takes 3.2 kg of uranium to generate 1,000 MW.  if we use things like breeder reactors and modern designs, there is virtually no waste except for a few fission fragments, which are contained very well.  When I say safe, I mean chances of an accident that have a real chance of threatening lives, which hasnt happened yet (Chernobyl was a result of bad safety procedures by the Soviets, not the reactor itself). 

I agree, the management of the nuclear industry needs to change.  They dont communicate with people, and there is no feeling of good faith.  We need nuclear officials who talk to the public and show them that they are working for the people's safety.

#808 Re: Pictures of Mars » Favorite Sci-Fi Movie? - Blade Runner for me. . . » 2003-01-26 18:04:36

thats true, overall, i think he did an amazing job with translating it.  one gripe though, i hated how sauron looked like a robot, and i always envisioned him being defeated sort of away from the main battle, while it was still raging.  and LOTR 1 was a bit too much of a narration of the story, but thats understandable.  liv tyler wasnt the best choice either. 

legolas was really cool.  he had some ill moves, like that horse move or sliding down the fortress stairs while shooting arrows.

#809 Re: Interplanetary transportation » getting back home... - regolith as an oxidizer? » 2003-01-26 18:02:06

i think that adds a lot of unncecessary complexity to the mission, which we dont want.  if they want to stay, then we can leave them on the surface, and just send more supplies with a booster launch. 

now, we could send part of the ship, maybe the tether, as an orbiting satellite, which would not destroy the mission if it was damaged.  the satellite could be unlatched in orbit, perhaps during aerobraking, and the ship could touch down without it. 

i dont see why we cant inspect rocks on the surface, to send them to orbit seems like a bit of a waste of time, fuel, and power. 

i wonder if we have options to send return vehicles based on nuclear propulsion-with a lot less fuel than chemical propulsion ships.  we could bring a lot more back, and faster.  then your power from say, your nuclear reactor, could be directed to higher level lab activities, or digging for water.

#810 Re: Interplanetary transportation » Nuclear Propulsion - The best way for space travel » 2003-01-26 17:53:45

well, saying that the weather is unreliable instead of solar power is really nitpicking.  the point is you cant always be sure youll get 100% output, which isnt really the case with other forms.  biomass seems a waste of space to me, considering that you can do a lot more with less space, and i really think that the safety problems of nuclear are REALLY blown up.

even in nuclear accidents, most radiation was contained.  i wonder if we could find buffer materials to absorb more of the neutrons, or to absorb the entire fission fragments to form something else entirely.

#811 Re: Pictures of Mars » Favorite Sci-Fi Movie? - Blade Runner for me. . . » 2003-01-26 17:24:06

LOTR 2 is quite possibly the best movie ive ever seen.

i liked the wrath of khan for sci-fi.  william shattner is one of the biggest over-actors ever-but he is amazing at it...i love it.

i agree that voyager was crap.  deep space nine had some good moments, but overall it was lukewarm.  Overall TNG was the best.  LaForge is probably my favorite character.

#812 Re: Planetary transportation » Revolutionary way to explore other worlds - A wind riding rover » 2003-01-26 12:21:16

Wouldnt it take less energy to keep methanol warm than it would to electrolize water, and keep it gaseous?

#813 Re: Water on Mars » Huge water ice reservoirs found on Mars! » 2003-01-26 08:51:40

i meant at its deepest-at the trenches.  i had thought it reaches 4-5 miles at some point.

#814 Re: Water on Mars » Huge water ice reservoirs found on Mars! » 2003-01-25 20:05:40

earth's oceans are what, 7 km?  those depths are just fine!  I wonder if we can ever import earth marine life into martian oceans...that would be awesome.

#815 Re: Meta New Mars » Upgrade - Looks good » 2003-01-25 19:15:50

but now clicking on the links themselves on the main forum to the most recent posts takes you to the last page.  to go to the last page, just click the page number next to the topic  cool

i really like the new upgrade.  its really cool.

#816 Re: Martian Politics and Economy » Languages - Parlo Italiano - What langauge should be the Official? » 2003-01-25 06:55:26

G7?  Which nations are those?

But I really don't see the Russians funding anything equally.  The Russians bailed on most of their ISS funding...I think it will either be a privately funded mission or a US mission (or an "International" mission funded moslty by the US, kinda like the ISS).

#817 Re: Life on Mars » Volcanic activity on Mars - and its age » 2003-01-25 06:45:43

http://www.spacedaily.com/news/mars-general-03a.html

Apparently, we're way off on the ages of regions of mars.  We also don't know how volcanically active.  The new findings show that its either very active or everything's shut down.

#818 Re: Martian Politics and Economy » Languages - Parlo Italiano - What langauge should be the Official? » 2003-01-24 21:13:18

If I had to choose a non-english language, it would be spanish.  however, i would really go with english.

italian, french, and spanish dont do a good job of, like others have said, expressing subtle differences in emotion.  for example, i can use hundreds of different words to describe how well im feeling (very well, extremely well, fantastic, amazingly well, etc.) whereas in spanish, i only have a few dozen.  The other two are very similar to spanish.

i also like english, american english anyway, because it is a conglomeration of other languages.  german is icky, even though i speak some myself, because of german grandparents (i intend to learn more over the summer).   i would say we should reform a bit with english though (through?  i prefer thru). 

If you want to go by a majority language, chinese (mandarin i believe) is the pick.  but i wouldnt do that.  american english is the way to go, imho, at least simply because the main space launch center of the world is american. 

language is a tough thing.  on one hand, you want everyone to speak the same language for obvious reasons.  on the other, you want diverse cultures, and individual identities.  its a very difficult conundrum.

#819 Re: Civilization and Culture » why scientists need to worry about society issues » 2003-01-23 21:46:09

Hah!  That is the proof!  In any mathematical formula, I defy you to find any other existence that occurs where there is only a 1 out of a few trillion possibilities.  Its simply not possible!  It is not a weak argument.  This is almost irrefutable proof in itself.

We are bombarded with all kinds of radiation and meteorites-this isnt a utopia either.  no, no.  you are so off the truth its ridiculous.  We dont know enough about the universe to say what "most" of the conditions are, and from what ive read, theyre not all that hostile.

#820 Re: Civilization and Culture » why scientists need to worry about society issues » 2003-01-23 19:43:18

Um, nope, you dont.  You havent proven anything.  You brushed off the accepted greater possibility of finding life (which is mathematically almost a tautology), and said, Im right.  I have not met one person who has said were not likely to find any intelligent life, or that its rare.  Nor have I read any credible source saying such. 

Modern agriculture is vastly different.  Why must we all survive apart?  A species working together is vastly superior to a species of individuals.

#821 Re: Human missions » 2010 » 2003-01-23 16:37:18

The problem is the political tradeoff.  If a republican is in office, you tend to get more pro-nuclear, pro-space government, however, worse fiscal policies, bad environmental policy, imposition of church into state, liberty encroachments, and so on.

With democrats, you get basically the opposite.  So i'm torn, I want space, but I want my country to be in reasonable shape to get there.

#822 Re: Civilization and Culture » why scientists need to worry about society issues » 2003-01-23 16:31:41

In october we found a planet 10% of jupiters mass.  we're getting closer and closer to finding another earth.

the link to the original news site is dead though  :angry:

#823 Re: Interplanetary transportation » getting back home... - regolith as an oxidizer? » 2003-01-23 15:41:46

well, this is on the getting back home topic:

if we launched a nuclear propulsion (say ion) ship, couldnt we use the same drive to get us back home?  As you said, leaving the engines and other components in orbit, just reattach an ascent vehicle to the other section, and blast back the other way.

#824 Re: Civilization and Culture » why scientists need to worry about society issues » 2003-01-23 14:22:29

Certainly, a revolutionary finding may shift the conclusions, but more and more it is looking like the peacefull galactic conditions we find ourselves in is very rare, and hence, intelligent life is very rare.

what?

we are finding more earthlike planets every month.  are you serious?  sorry, dr. fukuyama, but you need to check up on your astronomy news.

#825 Re: Life support systems » Power generation on Mars » 2003-01-22 21:02:31

okay, so we use a surface reactor, but we dont use it in flight.  Sounds good, we just ship it, inactive the whole way so everything is separate and safe.

Next, how about we use a separate, smaller plant in flight, which stays in orbit with the part of the ship we leave in orbit, as we discussed?  This would provide a decent bit of power for recreation and lab activites, and would allow quite a bit more options.  we could, of course, combine this with exterior solar panels, but any extra bit of energy is nice.

so, we have a surface reactor that provides power.  we could also explore other power options, to augment this initial reactor, to make it last longer, and to allow quicker expansion.  The longer we have to put off sending another reactor, the better.  Cost will be of the essence.

We could also have Earth send out a plant every five or ten years in exchange for, say, research data, or materials.

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