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268
269

Water get down from there, you are not bridge. (i.imgur.com)

submitted ago by theskabus

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[–]Thracks 30 points31 points ago

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Magdeburg Water Bridge. This gets posted about once every 40 days.

[–]ColdHotCool 7 points8 points ago

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[http://en.wikipedia.org/wiki/Falkirk_Wheel](Falkirk Water Wheel)

Magdeburg has nothing on Falkirk

[–]ThePhantomTrollbooth 14 points15 points ago

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You can't just come barging in here!

[–]kittensandwich 7 points8 points ago

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Water you doing up there?

[–]SpermWhale 3 points4 points ago

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Nothing, just bridging the gap.

[–]openzeus 1 point2 points ago

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Don't be such a drip about it.

[–]boethius27 1 point2 points ago

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This thread is all washed up.

[–]fuLc -2 points-1 points ago

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no worries, its water under and over the bridge.

[–]MooBaloo 5 points6 points ago

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Why not just cross the streams?

[–]herutza 2 points3 points ago

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Because it would be gay. Or is it gay only when swords cross? I keep forgetting.

[–]BuckeyeBentley 3 points4 points ago

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It's only gay when balls touch.

[–]herutza 0 points1 point ago

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Ah, we have an expert ;)

[–]heavyJam 2 points3 points ago

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Current, my friend. Lots of deplorable current.

[–]jonnie5 -1 points0 points ago

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because then people on reddit wouldn't have something to karma whore...

[–]dontbe 3 points4 points ago

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physics Quiz: As the barge goes over, does the load on the aquaduct structure: Increase, Decrease, Stay the same.

[–]thecommabandit 12 points13 points ago

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Stays the same. By virtue of the barge floating, it must displace a volume of water of equal or greater mass than its own. As it passes over the bridge, it pushes water equalling its own mass off the bridge, meaning that the mass the bridge is supporting is constant. QED.

(I registered just to answer this question and feel smart. I will be so embarrassed if it's wrong.)

[–]kieran_hunt 0 points1 point ago

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You are correct good sir! Here is the evidence.

[–]Skynne -2 points-1 points ago

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Sorry brah

[–]thentherewerelimes 1 point2 points ago

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According to Archimedes' principle, floating objects displace their own weight in water, so when the boat enters, the amount of water displaced weighs the same as the boat.

Stays the same.

[–]Skynne -4 points-3 points ago

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Both incorrect. It displaces the same volume of water, not the same weight. Dropping a lead ball into water and dropping a clay ball of the same size will displace the same amount of water, but the lead ball will increase the load.

What do I win?

[–]rcxdude 2 points3 points ago

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it only displaces it's own volume if it's submerged, i.e. the barge sinks. Otherwise, it's in equilibrium, and since the buoyancy is equal to the weight of displaced water, a volume of water equal in weight to the barge must be displaced. You are correct though, in that dropping lead (or anything else which doesn't float) in the channel would increase the load.

[–]thecommabandit 0 points1 point ago

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You've misunderstood Archimedes' principle. The lead and clay balls both displace the same volume of water. The clay ball floats because it weighs less than the volume of water displaced by that spherical volume. The lead ball weighs more than that, so it sinks. Whether an object floats or not depends on whether the volume of water it displaces weighs more or less than the object.

That said, I'm reasonably sure a solid clay ball would sink. I kinda assumed you meant a hollow one.

[–]SgtSloth 5 points6 points ago

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I just watched the movie Hanna and she hid on a boat going over this. Or at least one just like it, you know, since it's just an aquaduct basically.

This was such a useless post.

But the movie was kinda cool.

[–]B1naryG0d 0 points1 point ago

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Agreed. The movie was certainly worth a watch.

[–]JohnBradlelum 2 points3 points ago

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Probably designed by Phil Ken Sebben

[–]theskabus[S] 0 points1 point ago

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Ha-ha! Cookies on dowels.

[–]streeter5000 2 points3 points ago

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Been there done that. http://www.reddit.com/r/pics/comments/fyvyt/magdeburg_water_bridge_is_pretty_mindblowing/

[–]sirpoindexter 2 points3 points ago

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Have an upboat sir.

[–]cieltsd 4 points5 points ago

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I thought this sort of thing only happened in Roller Coaster Tycoon

[–]abbiistabbii 1 point2 points ago

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TIL Americans have never seen an Aquaduct.

[–]webchimp32 1 point2 points ago

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It's called an aqueduct. Or viaduct, can never remember which.

[–]101UsesForADeadGovt 1 point2 points ago

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Why a duck?

[–]ExecutiveChimp 2 points3 points ago

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People have been making them since the Romans were around. Why is this blowing peoples minds?

[–]The_Reverend 1 point2 points ago

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Because it's big enough to carry a barge

[–]dwaxe -2 points-1 points ago

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Aqueduct. Viaducts go over valleys.

[–]queenbrewer 8 points9 points ago

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No, viaduct is derived by analogy from aqueduct. The Latin root "aqu" meaning water changed to "via" meaning road. The root "duct" means to lead. (Aced Bioscientific Vocabulary from Greek to Latin fall quarter)

[–]Horst665 2 points3 points ago

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You sir or madam, are a scholar!

[–]webchimp32 0 points1 point ago

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Been doing some checking and the above example can be either.

An aqueduct can be anything from a channel, pipe, canal or bridge and can either be for just transporting water or navigable.

An viaduct is any multi-spanned bridge, not necessarily for transporting water.

[–]BanksKnowsBest 1 point2 points ago

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What?

[–]methinks2015 1 point2 points ago

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It's even cooler than it appears in the photo:

http://maps.google.com/maps?t=h&q=52.231164,11.701903&ie=UTF8&ll=52.241256,11.721468&spn=0.040522,0.114498&z=14

There's a whole canal interchange there.

[–][deleted] 0 points1 point ago

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I guess it's not just water under the bridge...

[–]SYNERGY85 0 points1 point ago

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I think this is absolutely awesome.

[–]TubbyandthePoo-Bah 0 points1 point ago

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Aqueducts how do they work?

[–]thecommabandit 0 points1 point ago

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I looked at this picture and my first thought was "Wow, look at those beautiful interference patterns!"

I'm definitely studying the right course in university.

[–]FJCruisin 0 points1 point ago

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So is one water acid and the other base? I mean.. just let them mix dammit!

[–]Lochmon 0 points1 point ago

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Next time I want to see this shopped with cloverleaf ramps.

[–]WeAreTheEnd 0 points1 point ago

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Related, boat lift

[–]le_suck 0 points1 point ago

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"whoa!"

[–]heavyJam 0 points1 point ago

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This is the most unnatural thing to ever plague this planet.

[–]dhc23 0 points1 point ago*

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Pfft, http://en.wikipedia.org/wiki/Briare_aqueduct

Though none of the pictures I can find do it justice (last one on this page is good http://anotherheader.wordpress.com/2010/06/09/the-loire-valley/ but it doesn't really show how long or how beautiful it is).

[–]HerrMax 0 points1 point ago

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You so silly.

[–]OriginalPhee 0 points1 point ago

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Haha I had to replicate this for a school project once. It went okay.

[–]Allurex 0 points1 point ago

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Clicks Picture

"Oh I know what funny comment I can post"

Sees link title

"Oh...darn"

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