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Mysterious 'dead water' effect caught on film



Uploaded by: newscientistvideo
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http://technology.newscientist.com/article/dn15003
Researchers have recreated the 'dead water' effect in the lab to better understand how it slows down ships.


Tags for this video: dead down effect glacier ocean ships slow video water

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Check out my newest ... ( 2 months ago by sweetramonaaa)
Check out my newest video
If you leave 5 nice comments on it
I'll send your channel to 1500 people!
Thanks for participating.
Check out my newest video If you leave 5 nice comments on it I'll send your channel to 1500 people! Thanks for participating.
interesting. ( 2 months ago by pyr666)
interesting.
so you are moving ... ( 2 months ago by weylin6)
so you are moving along and this higher density wave under the water will slow you down?
Wouldn't it be for ... ( 2 months ago by Koroush51)
Wouldn't it be for the reason of the water molecules are moving slower because of the lower temperature?
yeah, and the ... ( 2 months ago by levlobotomy)
yeah, and the accent aint french either it sounds slavic
I say just tell the ... ( 2 months ago by polishoak275)
I say just tell the wife to git yer arse down thar and man the oars better when the damn thing occurs or it'll be Davey Jones' Locker for the lot of ya. Arggh.
That water can also ... ( 2 months ago by patmathis)
That water can also cause submarines to plumit of shoot up. It has been the root cause of several misshapes and collisions.
huh internal/ ... ( 2 months ago by pravicpu)
huh internal/interfacial waves..
i agree dude... ( 2 months ago by TranceAddikt07)
i agree dude...
the narrator sounds ... ( 2 months ago by TranceAddikt07)
the narrator sounds like she's givin a blowjob..
Cool. ( 2 months ago by Reggis420)
Cool.
DONT READ THIS ... ( 2 months ago by danyard56)
DONT READ THIS Cause It Really Works. YOU WILL GET KISSED ON THE NEAREST POSSIBLE FRIDAY BY THE LOVE OF YOUR LIFE. TOMORROW WILL BE THE BEST
 DAY OF YOUR LIFE. HOWEVER IF YOU DONT POST THIS COMMENT TO AT LEAST 3 VIDEOS YOU WILL DIE WITHIN 2 DAYS. NOW UV STARTED READIN DIS DUNT STOP THIS IS SO SCARY. SEND THIS OVER TO 5 VIDEOS IN 143 MINUTES WHEN UR DONE PRESS F6 AND UR CRUSHES NAME WILL APPEAR ON THE SCREEN IN BIG LETTERS. THIS IS SO
SCARY Cuz IT ACTUALLY WORKS THIS reaLLY WORKS
Have some respect ... ( 1 month ago by Edward1589)
Have some respect there, cunt. Do you click on videos to examine, find 'flaws' and comment on them in a childish way? If so, then you're a waste of oxygen.
Stay to halo3 & cod4 videos.
seems youre one of ... ( 1 month ago by TranceAddikt07)
seems youre one of the narrators gang of blowers.. i see no other reason why you'd be bouncin off like this.... Loser..
WOW has anyone ever ... ( 1 month ago by ltcurry)
WOW has anyone ever boated and heard of Cavitation? Where the rear end and prop hit less dense water or actual air for awhile as the wake catches up with the boat? Dee Dee Dee
It has nothing to do with fresh water.
There is no link ... ( 1 month ago by Edward1589)
There is no link between your words, nor sentences; there's no logic in the way you express your thoughts. Be proud of yourself.
q q ele ta falando? ... ( 1 month ago by away5)
q q ele ta falando??? ta chinganu minha mae?? maderfucker!!!! vaum toma no cu
Actually cavitation ... ( 1 month ago by Brained05)
Actually cavitation is the formation of vapour bubbles by the prop. The dead water effect has nothing to do with cavitation; its about the wake. Creating a wake requires energy and on dead water the ship creates two wakes, one on the surface and one at the boundary of the fresh and salt water.
wow, thats why boat ... ( 1 month ago by ltcurry)
wow, thats why boat designers went to 35 degree spit hulls and catamarans, also water will cavitate from a foward pressure or a hull in the water that resists water more than is caviatant. Dynamic fluid displacement is also eliminated with a foward bulb shape to displace any dead or reverse cavitation like on the USS Ronald Reagan. It has nothing to do with just fresh water.
what the fuck? that ... ( 1 month ago by genganz)
what the fuck? that experiment probably cost the brittish govt millions of pounds and they used a sellotaped duplo toy to test it??? oh well its like the americans doin the same to find a pen that could write in spaces zero gravity, while the russians just use a pencil....
Yeah man it cost ... ( 3 weeks ago by WhamBamThxMaam)
Yeah man it cost them millions of pounds for some salt, some water, and a peice of plastic and a computer program. Fucking expensive salt..
Just for the record ... ( 3 weeks ago by ianrob1201)
Just for the record, the didn't actually use pencils. That would have been a really bad idea cos when the led broke on the pencil you'd have bits of pencil floating around everywhere getting into important machinery. Not such a good idea on space ship really.
ha lol yea they do, ... ( 3 weeks ago by genganz)
ha lol yea they do, everyone still uses them now, think about it what is better a pencil or a pressurized ink cartridge? its a valid point your putting forward but i mean astronauts aren't so rough as to go breaking their lead whilst writing... i would hope...
ACTUALLY THATS A ... ( 2 weeks ago by powello69)
ACTUALLY THATS A MYTH YOU JUST STATED there, americans did use pencils but they flaked and the were highly flammable, they paid a high amount for a very impressive nitrogen cartridge pen after it was dreamed up not for its research.



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