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Subj: Flash vs... Cornstarch?
Posted: Sun Jul 03, 2011 at 09:26:54 pm BST (Viewed 812 times)

Crossposted (more or less) from Livejournal:

Have you ever heard of Oobleck? It's a "non-newtonian" fluid.

It appears to be a normal liquid, thicker than water but thinner than, say, cake batter. You can stir it, pour it, make waves in it. If you attempt to walk on it, you'll sink.

The weird thing is that the harder and faster you hit it, the more solid it becomes. You can dip your hand in to stir it, but if you try to punch it you'll find it harder than clay. You can sink into it like a mud bath, but if you run or jump you'll find it more than solid enough to hold your weight. There's a video of that on YouTube. (Actually, there are several. Also, if you put it on a speaker it makes living mud monsters.)

You'd think something like that would be strange and exotic, but it's actually made of two very common ingredients: cornstarch and water. All you have to do is mix them together in the right proportions.

So here's what I'm thinking... This seems like the perfect thing to use to trap the Flash.

Think about it: The harder and faster you hit it, the more solid it becomes. Get him into a vat full of it, and you've essentially negated his powers. You can move through it, but only if you go very slowly. (And if you have decent purchase. I'm not certain, but I expect it acts more like quicksand than water if you want to swim through it.)

You can't disperse it with a whirlwind because it just hardens on impact, and writhes in strange and unexpected ways.

Trying to vibrate through it is more debatable, but I'll point out that Flash generally has to take a little while to accelerate himself to the point that he can phase. As he pushes forward, it solidifies in front of him, slowing him down at the least. As he pushes back, it flows in his wake. Not only does that mean that it's still surrounding him as he tries to push forward again, but the drag forces could actually pull against him, slowing him down further. To top it off, it's still a fluid. His movements will generate waves, which could bounce back to slap him (instantly becoming solid on impact). (Beyond that, someone on LJ pointed out that when Wally does this trick, the thing he phases through generally explodes. No idea what that would do.)

It's cheap, it's simple, it's totally unexpected, and it's the perfect thing to slow him down to a crawl. And I'll bet it's never been done.

What do you think? Can the Flash be defeated with cornstarch?

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