Walking on water?

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pietertje
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Walking on water?

Postby pietertje » Sun May 09, 2010 1:58 pm UTC

http://www.dumpert.nl/mediabase/940281/ ... ering.html

This is probably some very elaborate hoax, but still pretty cool. Xkcd's thoughts? Fake or real?

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Robert'); DROP TABLE *;
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Re: Walking on water?

Postby Robert'); DROP TABLE *; » Sun May 09, 2010 2:32 pm UTC

It's possible to do, but I didn't think a human could run fast enough. (And they apparently can't, since they get about 3 steps and then fall in.)
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jaap
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Re: Walking on water?

Postby jaap » Sun May 09, 2010 3:52 pm UTC

The "liquid mountaineering" video is probably a viral ad campain by Hi-Tec.
It is fairly obvious they used the same methods that they use in the movies - a platform an inch or two below the water surface, possibly made from transparent plastic. You can see this
- from the fact that their feet definitely connect with something solid until they step off the end,
- from the way the ripples behind them move,
- from the fact that they always take the exact same path,
- from the fact that they tend to reach the same distance (except for one who must have run off to one side).

And that's before you get to the physical impossibility of doing this.

Assasinof6
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Re: Walking on water?

Postby Assasinof6 » Sun May 09, 2010 5:20 pm UTC

jaap nicely summarizes my view on this opinion. This is a cleverly designed video- it goes past the first introductory stage of "wow we can walk on water!" to the second, "yeah we can. so what?". This reinforces the opinion that walking on water is possible if other people already blatantly accept it (this is called conformity consensus).
Aside from this psychology, the dynamics behind it all prove that it is impossible. Humans would need to be 50% lighter OR be able to run 60% faster than the average currently can JUST to achieve what the people in the video are doing (without boots). Yes, in all probability there is a shallow platform beneath the water.

Sorry! It would be cool if we could do that though.
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squareroot1
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Re: Walking on water?

Postby squareroot1 » Sun May 09, 2010 7:53 pm UTC

Tangentially related, Charlize Theron in Arrested Development. Yum.

No youtube link, so Hulu, sorry non-USians. Around 20:45. Hulu

Technical Ben
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Re: Walking on water?

Postby Technical Ben » Sun May 09, 2010 8:00 pm UTC

Yep. I just managed to stay sceptical enough to agree it's a hoax. But a very nicely done one. They could make a film like this. Saying that, I almost fell for it. As you can do it in a car and other modes of transport. But they need to have large tires/footprint and be going very fast, so that they aqua plane. Could someone run on water with very big floating shoes and by running fast? I guess not really. But you can always cheat. ;)

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PM 2Ring
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Re: Walking on water?

Postby PM 2Ring » Mon May 10, 2010 7:41 am UTC

I can walk on water...
Spoiler:
but I stagger on alcohol. :D

Assasinof6
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Re: Walking on water?

Postby Assasinof6 » Tue May 11, 2010 12:23 am UTC

PM 2Ring wrote:I can walk on water...
Spoiler:
but I stagger on alcohol. :D


Aargh! What a terrible pun! :shock:
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achan1058
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Re: Walking on water?

Postby achan1058 » Tue May 11, 2010 4:19 am UTC

So what, Criss Angel can do it.

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Coffee
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Re: Walking on water?

Postby Coffee » Tue May 11, 2010 3:11 pm UTC

I've seen a species of bird (can't remember which one) run on water as part of their courtship ritual.
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Re: Walking on water?

Postby uncivlengr » Tue May 11, 2010 3:24 pm UTC

The "run" that starts around 0:45 gives it away - look at the water on the right side as he take a few steps, you can see a ripple as something under the surface is disturbed when the guy lands on it.

That, and the fact that they just seem to drop off the edge of something when they reach the end - presumably, if it were real, they'd just get lower and lower in the water with each step until they couldn't keep up the speed.

Admittedly, I thought it was legitimate the first time I watched it a day or so ago. I think it's the accents.
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ikrase
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Re: Walking on water?

Postby ikrase » Thu May 13, 2010 3:07 am UTC

Babbage of Babbage's Engine fame made shoes for walking on water as a teenager. They worked, but then one of them failed and he almost drowned swimming in lopsided circles.
Some sort of one-way flapper paddle things that let him tread water at about knee depth.
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Deadcode
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Re: Walking on water?

Postby Deadcode » Thu May 13, 2010 4:15 am UTC

Coffee wrote:I've seen a species of bird (can't remember which one) run on water as part of their courtship ritual.

Clark's Grebe?
Western Grebe?

Mavrisa
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Re: Walking on water?

Postby Mavrisa » Thu May 20, 2010 12:14 am UTC


Out of curiosity... what sort of evolutionary advantage could that possibly have provided?
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krogoth
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Re: Walking on water?

Postby krogoth » Thu May 20, 2010 2:15 am UTC

The ability to attract a mate and breed is a pretty handy evolutionary trait.
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Mavrisa
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Re: Walking on water?

Postby Mavrisa » Thu May 20, 2010 2:24 am UTC

krogoth wrote:The ability to attract a mate and breed is a pretty handy evolutionary trait.

Well yes... but it had to have started somewhere. Why did that particular move come about? They do it together too, so it wasn't "hey that looks cool, let's mate for life" and then a trend was started...
"I think nature's imagination is so much greater than man's, she's never gonna let us relax."


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