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Why Are 96,000,000 Black Balls on This Reservoir?

Veritasium
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I took a boat through 96 million black plastic balls on the Los Angeles reservoir to find out why they're there. The first time I heard about shade balls the claim was they reduce evaporation. But it turns out this isn't the reason they were introduced.
Huge thanks to LADWP for arranging this special tour for me. Next time let's put the GoPro on the submersible!
The balls are made of high density polyethylene (HDPE) which is less dense than water so they float on the surface of the reservoir even if they break apart. They are 10cm (4 inches) in diameter and contain about 210ml of water. So the main reason they are on the reservoir is to block sunlight from entering the water and triggering a chemical reaction that turns harmless bromide into carcinogenic bromate. This effect occurs with prolonged exposure to bromate so regulators insist that levels be kept below 10 microgram per liter on average over a 12 month period.
Special thanks to Patreon supporters:
Donal Botkin, Michael Krugman, Ron Neal, Stan Presolski, Terrance Shepherd, Penward Rhyme and everyone who provided feedback on an early draft of this video.
Thanks to:
Las Virgenes Reservoir for footage of initial shade ball dump
Euro-Matic for bird into jet-engine footage
Researched and Produced by Casey Rentz
Animations by Maria Raykova
Music from epidemicsound.com "Colorful Animation 4" "Seaweed"
And from Kevin MacLeod "Marty Gots a Plan"
This is an educational video about the science of water quality.

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10. 05. 2019

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Komentáře 59 715
poor righteous
poor righteous Před 12 hodinami
Then California gets hit with crazy carbon tax.
Far_ oppositeflow
Far_ oppositeflow Před 12 hodinami
5:51 I'm just feeling bad for that bird 😭 .. any living thing just died one day by leaving everything behind
barneyrebel0123
barneyrebel0123 Před 13 hodinami
Balls...
Row Kah
Row Kah Před 13 hodinami
May i say, that they had the BALLS to do this :)
Manuel Nuñez
Manuel Nuñez Před 13 hodinami
Reminds me of bobba and those black balls from The Incredibles 1
Adiudicium 1776
Adiudicium 1776 Před 14 hodinami
I am simply not convinced that plastic exposed to direct sun does not leak chemicals into the water. Just wait a few years, the lab data will start coming out and there will be a correlation between increased cancer among the local residents and this stupid idea.
Kris
Kris Před 14 hodinami
Great idea, super beneficial but damn what a waisted opportunity to recycle millions of water bottles!
Craig Duchaine
Craig Duchaine Před 15 hodinami
Shouldn't they be white to reflect the heat?
I AM ANTI UTOPIAN IDEAS
I AM ANTI UTOPIAN IDEAS Před 15 hodinami
hey I know what those are. www.disclose.tv/intelligent-black-goo-programmable-matter-sent-by-aliens-306665 Intelligent Black Goo - Programmable Matter Sent By Aliens?
KLP LIMITLESS
KLP LIMITLESS Před 16 hodinami
Why Are 96,000,000 Black Balls on This Reservoir? Because there is 48,000,000 black dudes under the water
I'm Blue Power
I'm Blue Power Před 17 hodinami
"Bromate"
BonBon
BonBon Před 18 hodinami
Black balls
PinkHax
PinkHax Před 18 hodinami
tony stark?
Lydie Baillie
Lydie Baillie Před 19 hodinami
The spherical shape is essential
Luffy- Desu
Luffy- Desu Před 20 hodinami
imagine your kid jumped onto that cuz he thought it was a playgroung filled with balls
Sampada Ujawane
Sampada Ujawane Před 20 hodinami
This balls have great scope in the India
Toby Fierce
Toby Fierce Před 21 hodinou
wow look at that, black slave balls catching up to the white men boat...
Rufik 666
Rufik 666 Před 21 hodinou
Русские есть?
Nvidia Shield
Nvidia Shield Před 23 hodinami
Corporations will do everything to keep their growth up. This was so unnecessary.
XMV Ziron
XMV Ziron Před 23 hodinami
Veritasium: "It's rare to see 96 million of anything" PewDiePie subscribers: "Are we a joke to you?"
Gideon Moyo
Gideon Moyo Před dnem
Guess that is why I am black
John Bong Joey
John Bong Joey Před dnem
I would have guessed it was because somebody castrated 48 million black guys. This makes much more sense
DatPiano Dude
DatPiano Dude Před dnem
"This is your life-vest WHICH YOU ARE REQUIRED TO WEAR."
angel marte
angel marte Před dnem
food-grade plastic, what a horseshit! They think every American is dirt bag from is an ignoramus. This stuff has NEVER BEEN TESTED for human consumption, no studies whatsoever or controlled experimentation, yet they have absolute certainty that is safe. Look at Aspartame and MSG... the masses are asses.
angel marte
angel marte Před 16 hodinami
I am so sorry to hear that you are going through that. I wish I had the words or the means to take that away. We have a mass of people that would sell you anything, even if it kills you, just to make money; how miserable can you be to have become such a person? That is what we are up against, sadly we believe the information that is GIVEN to us because it is more comfortable to us, rather than RESEARCH the information we want or that is GIVEN to us.
Oma To Six
Oma To Six Před dnem
angel marte I agree totally? I strongly believe that’s why I have cancer! Eating and drinking what is put on and in our food and water sources. And chemicals put on my body. I can only do so much though. I just try to do better about eating and drinking. I don’t believe a THING the govt says when it says something is safe!
angel marte
angel marte Před dnem
Plastic leaching into drinking water, gotta love it!
Aditesh Raj
Aditesh Raj Před dnem
they need a different kind of boat
Paul Mitford
Paul Mitford Před dnem
Never trust a bald man who claims eating plastic is not harmful to your health.
Dawelo Sears
Dawelo Sears Před dnem
Why are there 96,000,000 black balls in this water? Me: immediately scroll the comments to let one of my fellow CSvidrs let me know!! 💪
larry gabrynowicz
the girl looks like mallory from studio c
MISTA 808
MISTA 808 Před dnem
I've seen this video at least 6 times but CSvid thinks I still need to watch it. Funny how pointless videos like this can get 40 million views but the REAL content we're all seeking will be less than 50k views.
Willie Morris IV
Willie Morris IV Před dnem
Okay FINE, CSvid. I’ll watch the video.
Skips
Skips Před dnem
THERE I WATCHED IT! NOW LEAVE ME ALONE CSvid!
Kara Marie
Kara Marie Před dnem
Food-grade plastic? Really, people???
Jorge Miguel
Jorge Miguel Před dnem
I would like to ride a hovercraft over that.
The Chromosome Kid
Why are there 96,000,000 black balls in ur mom
Michael Walker
Michael Walker Před dnem
They're missing the black men they were attached to.
TheBSideDJ
TheBSideDJ Před dnem
why would they desinfection a whole reservoir with chlorine ?? Why not only disinfect the water needed (lower quantity) in a different way.... UV sterilisation f.e. ? Too much costs maybe.. And why using chlorine (or chloramine ?) when that even forms more bromate than ozone ? Still a lot of questions with the limited details given in this upload...
monstersince
monstersince Před dnem
since when was putting plastic in an aquatic enviroment a good thing
David KinderTeacher
thanks for the COOL information that I can TEACH the students 😎 Especially it looks like a pool of BOBA 😘 ...where Taiwan FIRST manufactured and popularized to the WHOLE WORLD 😍 Blessings from Taiwan ! 🥰😇 P.S. Thank you for the Mandarin Chinese subtitle 🤗
Dave Stock
Dave Stock Před dnem
Cause you had 48,000 black dudes volunteer their gonads?
덥다
덥다 Před dnem
Its made out of plastic. Whats about microplastic, which will get into the water?... What a dumb idea.
Dave Stock
Dave Stock Před dnem
덥다 That’s only cause they want to ban grocery bags, and make it a pain in the ass to shop.
Kevin B
Kevin B Před dnem
There should have built solar panels on top instead.
Linda Miscandlon
Linda Miscandlon Před dnem
Those guys seriously have balls 🤷‍♀️
Frost
Frost Před dnem
0:53 me when i go to africa for the first time.
PJR7
PJR7 Před dnem
Anyone else get the feeling that girl wanted him to ask her for out for a cup of coffee (at the end) 🤷‍♂️ haha
Dave Stock
Dave Stock Před dnem
No
Beach Metal Detecting Great Britain
Did you count them?
Steven Hellmann
Steven Hellmann Před dnem
Wouldn't an airboat be a much better idea?
::::::::::::::::::::::::
Today I saw a bird fly into a plane engine in slow motion
Dave Stock
Dave Stock Před dnem
:::::::::::::::::::::::: Yes, yes it is. Ironical in its fullest extent. Today I answered a nerds comment in slow motion.
::::::::::::::::::::::::
It's ironic, telling someone to get a life in a youtube video comments section
Dave Stock
Dave Stock Před dnem
:::::::::::::::::::::::: Bet that’s the most exciting thing you’ve ever seen. Get a life.
Robert Malone
Robert Malone Před dnem
Las Angeles sucks. Try cleaning up your streets.
Kartikey Mishra
Kartikey Mishra Před dnem
poor bird at 5:50
John Beaver
John Beaver Před dnem
Dead jig storage. That is why there is 70,000,000 black balls floating in the lake Sort of a waste . Could always grind up the jiigaboos and use them as hog slop.
Ashish Singh
Ashish Singh Před dnem
9:48, dare u to say, "Matter of Fact" faster than that..!
GODHEAD1
GODHEAD1 Před dnem
BLACK,BLACK,BLACK EH ? BEAUTIFUL BLACK.
Estevan Martinez
Estevan Martinez Před dnem
The sun has been reflecting on the water for many years and noting never happend to it government just wants to brainwash us
Toy For Kids
Toy For Kids Před dnem
I want to know this
Riefky Setiawan
Riefky Setiawan Před dnem
for what?
Tattoo Tommy G
Tattoo Tommy G Před dnem
Food “grade” plastic is the most ridiculous thing I’ve ever heard
Geo Engineering
Geo Engineering Před dnem
Yup poison the water with plastic . Research Dane wigington exposing illegal geoengineering done by terrorist USA government .
David
David Před 2 dny
A dog's dream come true ! LOL
Sana Naz M Basharat
The amount of awkwardness in that boat makes me wanna dive right into the water.
Oma To Six
Oma To Six Před 2 dny
And you people believe this is safe? 🤦🏻‍♀️
AutisticGHOSTdog
AutisticGHOSTdog Před 13 hodinami
yes
덥다
덥다 Před dnem
Probably a lot of microplastic which goes into the water. gg nice idea...
DudemanSwede
DudemanSwede Před 2 dny
GRETA THUNBERG CALLED AND SAID THAT YOU'RE ALL GOING TO DIE!!! ;-)
Steve Mayers
Steve Mayers Před 2 dny
Heat causes bacteria?
Ron Joplin
Ron Joplin Před 2 dny
Safe for drinking water because he says so? "Food grade"? Who decides what that is?
rgnestle
rgnestle Před 2 dny
I don't care WHY they were there. This was just a cool video!
twowaymuir
twowaymuir Před 2 dny
Sure hope that the combustion engine on the boat is running on natural gas and not gasoline!
K man
K man Před 2 dny
Best Mcdonald's ever!
RO G
RO G Před 2 dny
Only in California I bet this was expensive this money could of helped alot of homeless people smh
Mr A
Mr A Před 2 dny
man how come this video is demonetized??
BloodiestMethod
BloodiestMethod Před 2 dny
Does not take much for outboards to leak oil or grease. Idiots should be in a canoe or some custom built mobile barge to pull them around.
coffeehigh420
coffeehigh420 Před 2 dny
you've got a lot of balls posting up a video like this!
Blake Zimmerman Houston
Cool video! Super informative
jlemons006
jlemons006 Před 2 dny
are we saying balls right
Scott Norman
Scott Norman Před 2 dny
That's slot of balls
Ahmad gh
Ahmad gh Před 2 dny
والله ما فهمت ولا شي
ManPower Gaming
ManPower Gaming Před 2 dny
A big thank you to Marty Adam's. His excellent representation and explanations of these things made this video possible.
Trevor Phillips
Trevor Phillips Před 2 dny
9:49 on 0.25x is pretty inappropriate
max dJ
max dJ Před 2 dny
Is it animal safe.
Alexander Valtchev
Alexander Valtchev Před 2 dny
MEANWHILE... the SUN is the best disinfectant and you wouldnt need chlorine in the first place. So now we have plastic balls in one of the solar system's most powerful solvents -- in 20 years someone is going to figure out that plastic in the water is also carcinogenic.
King kopin
King kopin Před dnem
They already stated that the life of the balls is only about 10 years, so there are most likely plans in place to recycle them after that. Also, they stated that the largest reason they added so much chlorine was to discourage algae growth, since algae uses photosynthesis and generally congregates on the surface of water, the shade balls make it practically impossible for the algae to grow. Further, I don't understand why the sun would serve as a disinfectant period, it only stands to support the grow of many microorganisms that use photosynthesis, which in turn allow larger, carnivorous organisms to survive
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