r/todayilearned • u/RayWeil • Jun 25 '12
TIL Most movies depicting death by lava get it wrong, because you would not sink into the lava due to its density.
http://gawker.com/5866004/movies-show-death-by-lava-all-wrong631
u/Sock_Puppet_Orgy Jun 25 '12
At first I thought, "Alright, well if movies show it incorrectly, could I see some real video of someone dying in lava?". Then, I realized I am a horrible person.
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u/spider2544 Jun 25 '12
The could throw a dead pig into lava, it would be very similar.
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Jun 25 '12
It worked better because it is more aesthetically pleasing than accurately depicting what would actually happen.
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Jun 25 '12
You should try linking to the much more interesting article from Wired.
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u/bendedheadtube Jun 25 '12
I thought lord of the rings was a documentary rather than a movie.
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u/Cap-Sigma Jun 25 '12
Does that mean, with proper foot attire, one would be able to walk across lava?
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u/borkborkbork99 Jun 25 '12
Or you just get rejected by the volcano and spit back out into the ocean with Meg Ryan.
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u/petdance Jun 25 '12
If you ever drop your keys into a river of molten lava, let 'em go, because man, they're gone. -- Jack Handey
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u/Rotvos Jun 25 '12
Does the author from the Wired article know there are different kinds of lava?
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basaltic lavas Basalt is and extrusive igneous rock of mafic composition (high in magnesium, iron, and calcium) and has the lowest silica content of the three igneous rock types; its intrusive equivalent is gabbro. Basaltic magma is the most common magma type. It is produced along mid-ocean ridges and at hotspots within plates, as wel as in continental rift valleys. The volcanic island af Hawaii, wich is made up primarily of basaltic lava, lies above a hot spot. Basaltic lavas erupt when hot, fluid magmas fill up a volcano plumbing system and overflow. Basaltic eruptions are rarely explosive. Because their temperatures are high and their silica content low, they are extremely fluid and can flow downhill fast and far. Lava streams flowing as fast as 100km/hour (60 miles per hour) have been observed, although velocities of a few kilometers per hour are more common. In 1938, two daring Russian volcanologists maesured temperatures and collected gas samples while floating down a river of molten basalt on a raft of colder solidified lava
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u/prince_harming Jun 25 '12
I just always assumed it'd be more of a "splat" or a "thunK" (or "ziff! or "pow" if we're watching old Batman footage.) Just by looking at the stuff, you can see that it's a lot thicker.
I imagined it would be like falling into a vat of saltwater taffy, only not nearly as delicious. Looks like I was wrong, too, really, cause the difference in density means you'd never sink at all.
Next time I see a guy fall into a pit of lava and start sinking, I'm gonna tell him he's doing it wrong.
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u/Dapples Jun 25 '12
As someone who's closest "near-death" experience is lava related, this TIL only makes it that much more terrifying in my nightmares.
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u/ManOfPopsicle Jun 25 '12
So you can't drown in lava?
I guess that settles that.
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u/GrayStudios Jun 25 '12
This article comes off as smart, but it doesn't really say much. Obviously lava is thicker than water, but it's still a liquid. Even if its denser than a human being; because we are not pieces of styrofoam, we could easily work our way into the lava, slowly sinking feet first. If the character belly-flopped or landed on their back they would probably not sink at all, and the likelihood of snapping an ankle on the way in feet first would probably be really high due to the thickness and viscosity. The only part that seems obviously inaccurate is that characters should catch on fire. Perhaps Mythbusters should get on this one.
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u/BaqAttaq Jun 25 '12
What about when Emo Skywalker gets thrown into the Lava at the end of Revenge of the Sith? That's pretty accurate in comparison.
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Jun 25 '12
This has always pissed me off. It is the ONE thing that happens in LOTR that doesn't happen in real life.
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u/brandongiant Jun 25 '12
b..but....
http://www.reddit.com/r/woahdude/comments/vk0tg/if_you_throw_a_bag_of_garbage_into_hot_lava_video/