In a few thousand years when we're taking apart things the size of Jupiter on a regular basis for fuel, then worry about whether the stuff we're dumping into the sun will damage it.
Not only is the sun really big, it is also really really hot. The entire earth would just melt into plasma. It weighs about 333000x as much as the earth. It is also a continual explosion anyway, really hard to damage an explosion bound by its own weight.
The earth just doesn't really have the energy potential to do anything to it.
The only two things I can imagine is somehow send a black to the sun (concievably made from earth matter, though our current understanding of Hawking Radiation makes small black holes extremely shortlived so this won't be easy)
Steam: SanderJK Origin: SanderJK
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WeaverWho are you?What do you want?Registered Userregular
The only way humanity could "fuck up" the sun would be to outlive it and then take the credit.
Even in binary systems where one star has already died, the other star is still there chugging along.
Dude you're being willfully ignorant of the levels of scale involved here.
I'm being woefully aware of humanity's capacity to fuck shit up.
It's the fucking sun
every planet could fall into it at once and it would barely matter
Humanity can find a way!
Nah they really can't
He's not totally wrong. Dyson's spheres and what not.
He's just being a goose about it. Also, the time scale involved is going to be pretty long. There isn't enough of.... well, anything on this planet to build something like a Dyson's sphere, we'll have to be an interstellar civilization way, way before we can harness the power of an entire star.
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KwoaruConfident SmirkFlawless Golden PecsRegistered Userregular
Dude you're being willfully ignorant of the levels of scale involved here.
I'm being woefully aware of humanity's capacity to fuck shit up.
It's the fucking sun
every planet could fall into it at once and it would barely matter
Humanity can find a way!
Nah they really can't
He's not totally wrong. Dyson's spheres and what not.
He's just being a goose about it. Also, the time scale involved is going to be pretty long. There isn't enough of.... well, anything on this planet to build something like a Dyson's sphere, we'll have to be an interstellar civilization way, way before we can harness the power of an entire star.
And then it wouldn't even matter if we could fuck up a sun because we'd have so many more
When you weld two pieces of steel together, unless the steel is Super Fancy the weld itself is actually stronger (though more brittle) than the steel it's holding together
So the weld can crack in certain circumstances, but often your ultimate failure is next to the weld, which is a gigantic pain in the ass
And if you're welding temporary fixtures to hold something up you have to be careful and actually cut them off, because if you try and be Smartass McCoolguy and just bang the weld free with a sledge you tear the shit out of the steel
We just explode stars for recreational and aesthetic purposes.
Scientist said that purple stars weren't a possibility, but we figured that we might as well just crash a red star and a blue star together to be sure.
When you weld two pieces of steel together, unless the steel is Super Fancy the weld itself is actually stronger (though more brittle) than the steel it's holding together
So the weld can crack in certain circumstances, but often your ultimate failure is next to the weld, which is a gigantic pain in the ass
And if you're welding temporary fixtures to hold something up you have to be careful and actually cut them off, because if you try and be Smartass McCoolguy and just bang the weld free with a sledge you tear the shit out of the steel
do a lot of steel work?
my mom's BF owns his own steel shop in NY .... they make some great stuff up there
When you weld two pieces of steel together, unless the steel is Super Fancy the weld itself is actually stronger (though more brittle) than the steel it's holding together
So the weld can crack in certain circumstances, but often your ultimate failure is next to the weld, which is a gigantic pain in the ass
And if you're welding temporary fixtures to hold something up you have to be careful and actually cut them off, because if you try and be Smartass McCoolguy and just bang the weld free with a sledge you tear the shit out of the steel
do a lot of steel work?
my mom's BF owns his own steel shop in NY .... they make some great stuff up there
Yep. I'm the person Smartass McCoolguy comes to when "I dunno what happened but it broke"
When you weld two pieces of steel together, unless the steel is Super Fancy the weld itself is actually stronger (though more brittle) than the steel it's holding together
So the weld can crack in certain circumstances, but often your ultimate failure is next to the weld, which is a gigantic pain in the ass
And if you're welding temporary fixtures to hold something up you have to be careful and actually cut them off, because if you try and be Smartass McCoolguy and just bang the weld free with a sledge you tear the shit out of the steel
do a lot of steel work?
my mom's BF owns his own steel shop in NY .... they make some great stuff up there
Yep. I'm the person Smartass McCoolguy comes to when "I dunno what happened but it broke"
When you weld two pieces of steel together, unless the steel is Super Fancy the weld itself is actually stronger (though more brittle) than the steel it's holding together
So the weld can crack in certain circumstances, but often your ultimate failure is next to the weld, which is a gigantic pain in the ass
And if you're welding temporary fixtures to hold something up you have to be careful and actually cut them off, because if you try and be Smartass McCoolguy and just bang the weld free with a sledge you tear the shit out of the steel
Depends. Galvanic corrosion is a big problem with welds. If you don't do it right, it's almost guaranteed. Passivate the weld line, weld, cover with chromates, and inspect once a year.
<--- Smartass McCoolguy
Dedwrekka on
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#pipeCocky Stride, Musky odoursPope of Chili TownRegistered Userregular
Dude you're being willfully ignorant of the levels of scale involved here.
I'm being woefully aware of humanity's capacity to fuck shit up.
It's the fucking sun
every planet could fall into it at once and it would barely matter
Humanity can find a way!
Nah they really can't
He's not totally wrong. Dyson's spheres and what not.
He's just being a goose about it. Also, the time scale involved is going to be pretty long. There isn't enough of.... well, anything on this planet to build something like a Dyson's sphere, we'll have to be an interstellar civilization way, way before we can harness the power of an entire star.
Dyson Spheres wouldn't really destroy or harm the star, though.
It would harness the star's energy, possibly up to an efficiency of making the star go dark to outside observers (although such a system would require a solid shell design and be infinitely more difficult and dangerous compared to a swarm of satellites orbiting the star), but it wouldn't "suck the life" out of the star as it were, it would just absorb the entirety of its energy output.
A Dyson Sphere is just an unbelievably efficient and comprehensive solar energy collector, and the solar panels on your roof don't somehow shorten the life of the sun.
Dude you're being willfully ignorant of the levels of scale involved here.
I'm being woefully aware of humanity's capacity to fuck shit up.
It's the fucking sun
every planet could fall into it at once and it would barely matter
Humanity can find a way!
Nah they really can't
He's not totally wrong. Dyson's spheres and what not.
He's just being a goose about it. Also, the time scale involved is going to be pretty long. There isn't enough of.... well, anything on this planet to build something like a Dyson's sphere, we'll have to be an interstellar civilization way, way before we can harness the power of an entire star.
Dyson Spheres wouldn't really destroy or harm the star, though.
It would harness the star's energy, possibly up to an efficiency of making the star go dark to outside observers (although such a system would require a solid shell design and be infinitely more difficult and dangerous compared to a swarm of satellites orbiting the star), but it wouldn't "suck the life" out of the star as it were, it would just absorb the entirety of its energy output.
A Dyson Sphere is just an unbelievably efficient and comprehensive solar energy collector, and the solar panels on your roof don't somehow shorten the life of the sun.
Net effect is basically the same, you're cutting off whatever solar bodies orbiting it from the energy the sun gives off.
And there's other things that could be done, like colliding two stars or something similar.
The understanding of physics are there, it's mostly a matter of the impracticality of it and why would you bother. Once you're harvesting suns, resources aren't really an issue any more.
When you weld two pieces of steel together, unless the steel is Super Fancy the weld itself is actually stronger (though more brittle) than the steel it's holding together
So the weld can crack in certain circumstances, but often your ultimate failure is next to the weld, which is a gigantic pain in the ass
And if you're welding temporary fixtures to hold something up you have to be careful and actually cut them off, because if you try and be Smartass McCoolguy and just bang the weld free with a sledge you tear the shit out of the steel
do a lot of steel work?
my mom's BF owns his own steel shop in NY .... they make some great stuff up there
Yep. I'm the person Smartass McCoolguy comes to when "I dunno what happened but it broke"
but I thought you were an engineer?
That's the theory at least
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#pipeCocky Stride, Musky odoursPope of Chili TownRegistered Userregular
Seriously though, completely enshrouding the whole sun to harvest every watt isn't really anything anyone would think about doing.
I thought in welding, any proper weld was always stronger than the material around it, no matter if it was steel, aluminum, plastic, etc.
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MachwingIt looks like a harmless old computer, doesn't it?Left in this cave to rot ... or to flower!Registered Userregular
"stronger" is sort of misleading. Welds tend to have a higher yield strain, but (as Usagi mentioned) they're also less ductile, and in many applications (particularly, in earthquake-prone structures) ductility is the critical factor.
"stronger" is sort of misleading. Welds tend to have a higher yield strain, but (as Usagi mentioned) they're also less ductile, and in many applications (particularly, in earthquake-prone structures) ductility is the critical factor.
Yes! There are in fact several types of strength, and which one(s) is/are most important depends on what your materials are, why you're smooshing them together, and how you're going to load it (axial, transverse, torsional, all) once the joint is complete.
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PiptheFairFrequently not in boats.Registered Userregular
When you weld two pieces of steel together, unless the steel is Super Fancy the weld itself is actually stronger (though more brittle) than the steel it's holding together
So the weld can crack in certain circumstances, but often your ultimate failure is next to the weld, which is a gigantic pain in the ass
And if you're welding temporary fixtures to hold something up you have to be careful and actually cut them off, because if you try and be Smartass McCoolguy and just bang the weld free with a sledge you tear the shit out of the steel
do a lot of steel work?
my mom's BF owns his own steel shop in NY .... they make some great stuff up there
Yep. I'm the person Smartass McCoolguy comes to when "I dunno what happened but it broke"
When you weld two pieces of steel together, unless the steel is Super Fancy the weld itself is actually stronger (though more brittle) than the steel it's holding together
So the weld can crack in certain circumstances, but often your ultimate failure is next to the weld, which is a gigantic pain in the ass
And if you're welding temporary fixtures to hold something up you have to be careful and actually cut them off, because if you try and be Smartass McCoolguy and just bang the weld free with a sledge you tear the shit out of the steel
do a lot of steel work?
my mom's BF owns his own steel shop in NY .... they make some great stuff up there
Yep. I'm the person Smartass McCoolguy comes to when "I dunno what happened but it broke"
but I thought you were an engineer?
That's the theory at least
so you're the one that breaks things then?
Nah, I just sometimes design things that are actually impossible to build
Woops
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PiptheFairFrequently not in boats.Registered Userregular
I thought in welding, any proper weld was always stronger than the material around it, no matter if it was steel, aluminum, plastic, etc.
Corrosion is always a factor when dealing with metal. The heat from a metal weld along with creating a metal-on-metal contact makes the weld the perfect place for some nasty corrosion. Doing it proper means you mitigate the risks of creating a corrosion cell, but if it does corrode you better cut it off and do it again.
This still happens with fasteners (rivets, screws, camlocs), but those often give out due to other stresses (vibrations or shear stress commonly) first.
Alternatively, if you don't want to mess with chromates, slather RTV rubber compound on it to seal it.
With metal, strong usually means brittle as well. You can drill all day with a titanium drill bit, but you could also snap it with a pair of pliers. Annealed steel won't hold weight, but you could bend it in half without creating a crack.
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RankenphilePassersby were amazedby the unusually large amounts of blood.Registered User, Moderatormod
I really, really wish I knew how to weld
and also I really really wish I had a fucking garage that I could use as a workshop
Posts
It's the fucking sun
every planet could fall into it at once and it would barely matter
Humanity can find a way!
Infractions are kind of like trophies...
Nah they really can't
Dude. If you want to say we've "ruined the planet," fine, whatever. Biomes are pretty fragile things! Pretty easy to ruin.
The sun is not fragile
The earth just doesn't really have the energy potential to do anything to it.
The only two things I can imagine is somehow send a black to the sun (concievably made from earth matter, though our current understanding of Hawking Radiation makes small black holes extremely shortlived so this won't be easy)
Even in binary systems where one star has already died, the other star is still there chugging along.
Holy
Fucking
Shit
He's not totally wrong. Dyson's spheres and what not.
He's just being a goose about it. Also, the time scale involved is going to be pretty long. There isn't enough of.... well, anything on this planet to build something like a Dyson's sphere, we'll have to be an interstellar civilization way, way before we can harness the power of an entire star.
And then it wouldn't even matter if we could fuck up a sun because we'd have so many more
When you weld two pieces of steel together, unless the steel is Super Fancy the weld itself is actually stronger (though more brittle) than the steel it's holding together
So the weld can crack in certain circumstances, but often your ultimate failure is next to the weld, which is a gigantic pain in the ass
And if you're welding temporary fixtures to hold something up you have to be careful and actually cut them off, because if you try and be Smartass McCoolguy and just bang the weld free with a sledge you tear the shit out of the steel
Why did I read that.
Scientist said that purple stars weren't a possibility, but we figured that we might as well just crash a red star and a blue star together to be sure.
Y'know.
Just something to do on a Sunday.
do a lot of steel work?
my mom's BF owns his own steel shop in NY .... they make some great stuff up there
Yep. I'm the person Smartass McCoolguy comes to when "I dunno what happened but it broke"
Yo
Vikings
So you can better understand Hullis when he talks football
Damn
ya'll fuckers act like you know vikings and then this?
but I thought you were an engineer?
Depends. Galvanic corrosion is a big problem with welds. If you don't do it right, it's almost guaranteed. Passivate the weld line, weld, cover with chromates, and inspect once a year.
<--- Smartass McCoolguy
Dyson Spheres wouldn't really destroy or harm the star, though.
It would harness the star's energy, possibly up to an efficiency of making the star go dark to outside observers (although such a system would require a solid shell design and be infinitely more difficult and dangerous compared to a swarm of satellites orbiting the star), but it wouldn't "suck the life" out of the star as it were, it would just absorb the entirety of its energy output.
A Dyson Sphere is just an unbelievably efficient and comprehensive solar energy collector, and the solar panels on your roof don't somehow shorten the life of the sun.
Need some stuff designed or printed? I can help with that.
Net effect is basically the same, you're cutting off whatever solar bodies orbiting it from the energy the sun gives off.
And there's other things that could be done, like colliding two stars or something similar.
The understanding of physics are there, it's mostly a matter of the impracticality of it and why would you bother. Once you're harvesting suns, resources aren't really an issue any more.
The tag on that one is almost as good as the title.
That's the theory at least
Intensely diminishing returns.
Dyson Swarms are the future.
Still though that's a Type II Civillization and we're currently still a Type zero so it'll be a while yet.
Need some stuff designed or printed? I can help with that.
Yes! There are in fact several types of strength, and which one(s) is/are most important depends on what your materials are, why you're smooshing them together, and how you're going to load it (axial, transverse, torsional, all) once the joint is complete.
so you're the one that breaks things then?
Nah, I just sometimes design things that are actually impossible to build
Woops
Corrosion is always a factor when dealing with metal. The heat from a metal weld along with creating a metal-on-metal contact makes the weld the perfect place for some nasty corrosion. Doing it proper means you mitigate the risks of creating a corrosion cell, but if it does corrode you better cut it off and do it again.
This still happens with fasteners (rivets, screws, camlocs), but those often give out due to other stresses (vibrations or shear stress commonly) first.
Alternatively, if you don't want to mess with chromates, slather RTV rubber compound on it to seal it.
With metal, strong usually means brittle as well. You can drill all day with a titanium drill bit, but you could also snap it with a pair of pliers. Annealed steel won't hold weight, but you could bend it in half without creating a crack.
and also I really really wish I had a fucking garage that I could use as a workshop
I lust after space soooo bad