Wired examines what happens when you fall into lava. Science proves the movies wrong. Yay, science!

At first, it seemed like an easy question. Well, not so much easy as obvious: yes. However, the more I thought about it, the more I though that pretty much every scene I’ve ever noticed where somebody falls into lava and dies has got to be wrong. Some are just straight out obvious to explain — like in Volcano when the subway maintenance director jumps from the subway car that is being inundated by lava after he saved the unconscious subway driver. The guy jumps from the subway, but not far enough to miss landing in maybe 6 inches of basaltic lava and he proceeds to more or less melt away into the lava like the Wicked Witch of the West. Not likely. Maybe some very severe burns, maybe lost feet (think Darth Vader), but no wholesale melting like that.

However, the death of Gollum at the end of Return of the King got me thinking. Gollum, if you remember, dove into the lava of Mount Doom after his precious ring was thrown in — he proceeds to sink into the lava (see below) and leaves the ring floating on the lava until it melts away. Guess what? Sinking into lava just will not happen if you’re a human (or remotely human). You’d need to be a Terminator to sink into molten rock/metal … and here’s why.

via The Right (and Wrong) Way to Die When You Fall Into Lava | Wired Science | Wired.com.