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Everything posted by todofwar
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Either way it remains inefficient, so either double the photon or somehow double the electron. Life finds a way, but I don't know if such a system would naturally evolve. I guess the advantage is you can occupy more parts of the planet then a chemosynthetic organism.
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Children of a Dead Earth: realistic space warfare game
todofwar replied to curiousepic's topic in The Lounge
That ship designer looked awesome. Looks like you design everything down to the engines. -
Mara Jade, obviously. Kidding aside, I like the idea of this not being a sith, just someone who got their hands on some sith texts and is teaching himself. Or even better, he has no force abilities and is just using Kylo and the other knights of Ren. I think at this point both the Jedi and the Sith are done, Luke probably saw the problems with trying to start from scratch so it will be up to Rey to start a new order that is more about using the force for good without all the bs.
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There are more factors that go into this then just the color of the light. Chlorophyll itself isn't actually the best in terms of capturing light, but it is the best at the charge separation necessary for life (I suggest anyone with some chemistry knowledge read into photosystem ii, one of the coolest proteins out there imo). So, while they might not be green I don't know if they would be black. Also, photosynthesis evolved because of all this intense light around us. Below a certain threshold of intensity things seem to stick to chemosynthesis. So it's not for certain plants would evolve at all. Now, if you seeded a world with cyanobacteria I wonder if they would develop some kind of natural doubling pigment to convert red light to blue light to allow them to run their photosynthetic machinery.
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Calculating lifting power of heated gas
todofwar replied to vitekc45c's topic in Science & Spaceflight
Heating the helium doesn't get you much more lift then leaving it room tempeeature. And your internal pressure will only be slightly higher than outside pressure to maintain structural integrity. -
[VIDEO] Russia officially opened Vostochny cosmodrome
todofwar replied to cicatrix's topic in Science & Spaceflight
Reusable side boosters might be possible, then again it would probably require even bigger parachutes than the shuttle boosters. Question that's probably already been answered a dozen times: why do Soyuz rockets do "hot staging"? -
What is your biggest science pet peeve in movies?
todofwar replied to todofwar's topic in Science & Spaceflight
Ant Man had a really horrendous one. They explicitly state the technology relies on shrinking the distance between atoms. So, there should be a limit to how small you can get. Yet at one point they talk about going "subatomic", which should be impossible by the movie's rules. Not to mention the whole "mass is conserved" thing which was supposed to be one of the reasons Ant Man can do some serious damage when shrunk gets haphazardly applied. Internal consistency, that's all I ask And another thing that has some spoilers: -
I would say all you've shown is war is getting more destructive, but I don't think, sadly, that war is over. You assume humans are logical beings, but we're not. Inevitably someone will take something a bit too far and we will have another war. But this is getting off topic. I like these threads, childish as you may think them, for the intellectual challenge of imagining what kinds of tech will be employed. For the purposes of a thought exercise I disregard the whys of it, even though I agree a war on the moon is very far fetched.
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What about coming back? Would it be able to glide to a runway with no jets? The shuttle could but it had pretty big wings.
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I just meant that having the ability to annihilate your enemy doesn't mean you use said ability, I'm talking from a purely strategic perspective not a political one. I agree that any kind of militarization of the moon will be met with extreme protest from everyone, but that may or may not halt it. Getting back to how a Lunar war might play out, in a situation in which two countries establish settlements on the Moon, and both start to act aggressively towards each other, we would probably see them both build these kinds of long range one hit kill weapons but do so secretly and constantly deny they are being built. The tech to get us to orbit from the Lunar surface can be re-purposed to launch kinetic projectiles at the enemy. Of course, such projectiles will actually be easy to guard against because you will know their general trajectory and can establish a missile defense system, so it might not actually be useful. I think the threat of MAD would result in everything being done through black ops type missions, maybe with terrorist type groups that the enemy would disavow if they fail.
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https://www.newscientist.com/article/2085745-cassini-gears-up-for-final-fiery-plunge-into-saturns-atmosphere/ Looks like the clock's running out, about a year left. Still, this will be exciting to watch.
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I think too many people in this thread are getting hung up on total annhilation. The US and Russia have had the ability to annihilate their enemies for decades, hasn't stopped them from launching conventional wars. Also, the scenario is a bit vague, if the goal is to purge all enemy bases from the moon then yes nuke it from orbit. But if you're trying to take control of a peak of eternal light, or maybe the anchor point of a space elevator, you're not going to resort to total annihilation strategies.
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What is your biggest science pet peeve in movies?
todofwar replied to todofwar's topic in Science & Spaceflight
Never saw that movie, now I kind of want to watch for a bad movie night. This one is sort of related to another one that might have been mentioned, but space is not up, its really really fast. It's not hard reaching the edge of the atmosphere, but reaching orbital velocity so you can stay there is hard. Movies always seem to think you magically become weightless when you leave the atmosphere. -
What is your biggest science pet peeve in movies?
todofwar replied to todofwar's topic in Science & Spaceflight
Yeah, if you get hit in the head and end up unconscious for several minutes or hours, please see a doctor and probably a physical therapist to try and regain function from your severe head trauma and brain injury. -
Where will we be in 1,000,000 Years?
todofwar replied to Emperor of the Titan Squid's topic in Science & Spaceflight
Once true matrix style vr hits things will probably stall a bit. But I still imagine we'll colonize Mars, Venus, etc. Terra forming will likely be possible, but the tech involved may happen after we already settle Venus (unless we find a way to manipulate gravity Venus is the only candidate) so what do you do about the people living there? I'm more doubtful of going to other stars unless we figure out how FTL can be possible.- 38 replies
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Interesting idea. I don't know about a source of hydrogen, but maybe as a way to counteract loss from the upper atmosphere.
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If a Moon or planet had life, what should we do?
todofwar replied to Spaceception's topic in Science & Spaceflight
Actually, if it's on titan or venus we probably don't have to worry too much. Nothing will be active on titan, and pretty much everything will die on venus. There may be some spores that survive in the clouds for a while but not enough water to really start multiplying. Mars I'm not so sure, but I would imagine most life from Earth wouldn't live long either. Seems that anything on Mars will be instantly lyophilized. Those water bears can survive sure, but they need good conditions to start multiplying. -
Sub-Folders in VAB/SPH Craft Load Window
todofwar replied to Flow's topic in KSP1 Suggestions & Development Discussion
So as far as I can tell this didn't come with 1.1. But I would really love this, especially because now we have all those premade designs adding to the clutter. -
If a Moon or planet had life, what should we do?
todofwar replied to Spaceception's topic in Science & Spaceflight
Well, anything with silicon is toast. And any iron or aluminum. I think heat is your best friend here, bake it at 200 C for a few days. Then rinse with bleach. Then bake again. They've found life in autoclaves before, so it will take some serious punishment to be absolutely sure. -
If a Moon or planet had life, what should we do?
todofwar replied to Spaceception's topic in Science & Spaceflight
Step 1: submerge in HF, step 2: build new probe You don't need it to actually do any of those, just need to convince them it might be able to -
We might be talking about different things here, i meant enough hydrogen for floating cities, not to terraform the planet. If you mean to dump enough water on Venus to form an ocean, you'll first need to drastically cool it. Even at that point you won't really acidify anything too much because again, carbonic acid is unstable so lower than a certain pH no more co2 will dissolve regardless of relative amounts. And some of the most efficient enzymes on earth (theoretically you can't actually get more efficient through evolution than these things) are the ones evolved to catalyze the conversion of co2 to carbonate and vice versa, which is why co2 can get in and out as needed.
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If a Moon or planet had life, what should we do?
todofwar replied to Spaceception's topic in Science & Spaceflight
I think concern for infection depends on where we find it. For example, any life that formed on titan would find our environment incredibly hostile, so no need to worry. Something that formed on Europa might be a bit more dangerous, but probably not a fan of oxygen (though plenty of anaerobes live on earth). -
Carbonic acid is completely ustable. The only reason it persists in the ocean is because it can dissociate a proton to water and survive as carbonate. I doubt it would ever reach the surface before decomposing, and if it did it would need to free up that proton somewhere. Any basic minerals tied up in rocks won't be terribly accessible. It would be interesting to see if there are carbonate skins on some rocks, but no way you can get the kind of sea of carbonic acid you describe. Think of it this way, if that was how co2 and water reacted your bottle of soda would be pure carbonic acid. But it's not, because phosphates buffer it to low pH so all the co2 remains co2.
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interplanetary travel calculator
todofwar replied to maxboost's topic in KSP1 Suggestions & Development Discussion
I would disagree on this one. The base game makes it far too difficult to get between planets right now. I would say this and mechjeb (just the stats readouts) are probably the two things I would want to see stock asap.