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Volcanoes
Topic Started: Dec 10 2009, 09:19 AM (1,136 Views)
CJ
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A very minor case of serious brain damage

Talk about them here. I used to be quite interested in them when I was younger.
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Michelle
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Yeah they're really cool
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CJ
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A very minor case of serious brain damage

Here's a nice diagram, showing what everything is:

Posted Image
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ConfitOfDuck
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Anything but 'Miserables'

I used to be fascinated by volcanoes when I was younger, too. I still am. I've got a rook of DVDs at home featuring the major volcanoes of the world, and I must have seen each one more times than I could possibly count, but it always fascinates me. I've even climbed one before - Pico de Teide in Tenerife, which, I think, is dormant. If you've ever climbed a mountain, you'll be familiar with the constant changing of weather patterns according to how high you ascend, and on this occasion, I began to climb at dawn and reached the summit sometime in the late afternoon. As you'd expect, it was sunny and warm on the ground, but it then started to rain about a quarter of the way up, then it snowed quite heavily on the summit ... while the temperature at sea level was well beyond 30ºC :P .
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CJ
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A very minor case of serious brain damage

Wow - I wish I could do something like that one day!

I don't think I've ever climbed any volcanoes of any description :( .
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Michelle
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I've been to two volcanoes, both active: Poas and Irazú.

Can you guess where they are?
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CJ
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A very minor case of serious brain damage

Are they in Costa Rica :P ?
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Michelle
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yeah they are

I saw a volcano junco at/on Irazú
Edited by Michelle, Dec 11 2009, 08:39 PM.
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CJ
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A very minor case of serious brain damage

Very interesting :) . Did you get a picture?
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Michelle
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umm no

but here

http://www.birdwatchingtours.co.uk/gallery/pix/costa-rica/2007/volcano_junco_l.jpg
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CJ
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Ah, OK. They look great!
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Michelle
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Yeah they are cool.
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Michelle
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Not sure if this has been posted or not:

Posted Image


The cloud on top is called a pileus.
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CJ
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A very minor case of serious brain damage

Wow :O .

I think I remember a topic about volcanoes (either here or on some other forum), but I can't remember whether that pic was posted.

EDIT: I was thinking of this, which has a different picture.
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Michelle
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I know, it's beautiful! :D
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thecostumedanceparty
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That looks like an atomic bomb. I assume it's nearly equivalent to that.
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Michelle
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I'm sure it is.
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thecostumedanceparty
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If only we had nice stretchy heat-proof lava pants. That would be hot in two ways! Then we could walk in lava.
Edited by thecostumedanceparty, Nov 10 2010, 05:32 PM.
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Michelle
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That'd be cool, then we could travel to the core.
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thecostumedanceparty
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Yeah, I'm just being stupid with the stretchy part though. But anything to allow us to enter lava would be awesome.
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Michelle
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I agree, it would.
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CJ
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A very minor case of serious brain damage

If you want to enter lava, just make a boat out of tungsten. It has a melting point of 3422 °C (that's 6192 °F), which is WAY above the temperature of lava, whose temperature ranges from 700 °C to 1,200 °C (1,300 °F to 2,200 °F).

If you wanted to go under lava, I suppose you could try making a submarine out of it :P .
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Michelle
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I said "s***", and there's no denying it. Holy *censored*.
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CJ
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A very minor case of serious brain damage

I guess you're surprised that anything could survive in lava?

The only problem with using tungsten is that it's a metal, so you'd probably burn your feet on it. However, there are other materials you could use instead: aluminium oxide has a melting point of 2072 °C (3762 °F), which is still easily high enough, and you wouldn't burn your feet on that.

Maybe make the boat out of tungsten, with a protective layer of aluminium oxide inside?
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Catface
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Spooky

You guess can go on your lava ship, I'm happy right here on land where I wont burn to a crisp!
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CJ
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A very minor case of serious brain damage

There's a point. So far, I've only considered the survivability of the boat, and not the person inside it :P ! The heat would still be rather intense, even with a boat.
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Michelle
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KingsIndian
Nov 16 2010, 11:29 AM
There's a point. So far, I've only considered the survivability of the boat, and not the person inside it :P ! The heat would still be rather intense, even with a boat.
I bet. How'd you combat that?
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CJ
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A very minor case of serious brain damage

Build a giant Thermos flask and cover it in tungsten shielding, perhaps? XD
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Michelle
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That's a good one, but wouldn't it still get too hot? :un:
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CJ
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Probably.

Maybe use water as a coolant? (or liquid sodium, like in nuclear power plants?) Either way, you'd need a LOT of coolant, which wouldn't stay cool for long with all the lava around!
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