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What Happens After You Flush: The Journey of Water Down the Toilet


What Happens After You Flush?

Humans have always peed and pooped, but where it goes after we’ve done our business has changed a lot. In fact: The water you just drank may well have been a part of someone’s urine just weeks ago! SciShow explains!

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Where Does Your Sewage Go? | I Didn't Know That

Visit the Becton Sewage Treatment Works—one of Europe's biggest plants—which processes sewage from 3.4 million Londoners into water clean enough to return to the Thames.
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Where Does Your Sewage Go? | I Didn't Know That

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What Happens After You Flush on a Cruise Ship

These days, any cruise ship is like a huge city, where every detail is thought out so that passengers feel just as comfortable as on land, only better. You can take a shower, do the laundry, or swim in a pool. But where does all the dirty water go?

The average ship spends about 40-50 gallons of water per passenger every day. It makes tons of wastewater that needs to be utilized. Say, the world's biggest cruise ship, Harmony of the Seas, can carry about 5,500 passengers together with 2,300 crew members. They produce about 312,000 gallons of wastewater daily!

Other videos you might like:
12 Things You Should Never Flush Down the Toilet
13 Things You Shouldn't Dump Down the Drain
Are Public Toilets As Safe As You Think?

Greywater and blackwater 1:16
How wastewater gets cleaned 1:28
Why you shouldn't take water from one ocean and throw it into another 2:42
What about other kinds of waste? 3:55
Where does all the water on the ship come from? 6:14

#ships #howitworks #brightside

- Even though the passengers don’t notice, the water supply system onboard the ship is designed to use the water sparingly.
- And still, the average ship spends about 40-50 gallons of water per passenger every day.
- Greywater comes from laundry, showers, baths, and kitchens. Blackwater comes from bathrooms.
- The highest volume of wastewater comes from greywater. It gets mixed with some of the blackwater and is sent to the bio-reactor.
- Chlorine and other chemicals aren’t used since they’re bad for the sea’s eco system.
- The solid waste that was filtered at the first stage is kept in special tanks until the ship arrives at the harbor where it’ll be utilized.
- Scientists have noticed that ballast water taken from one ocean and thrown into another is bad for the ecosystem.
- The species of plankton and other sea inhabitants vary in different oceans, and the “strangers” can start destroying the “natives”.
- Sensitive detectors measure the level of oil in the water, and if it’s even a bit higher than what’s allowed, the water is sent for cleaning again.
- There’s special staff on board every ship who sort out the garbage into 4 categories – food waste, paper, metal and glass, and plastic.
- Most of the food waste is considered natural: it doesn’t do any harm to the sea’s ecosystem.
- Household waste, cooking grease, and solid waste are kept on board until the ship arrives at the harbor and is utilized there.
- Metal and glass are just thrown overboard. Surprised? These two just drop to the bottom and do no harm to the sea.
- Strict rules also apply to the passengers themselves. On every deck of a cruise ship, there are usually special instructions that forbid them from throwing anything overboard themselves.
- Turns out, all cruise ships have desalinating plants. When the ship goes farther than 25 miles from the land, they take seawater, which goes through a many-layered filter, a powerful ultra-violet lamp, and a desalinator.
- The desalinating plant is the size of a room and gives enough fresh water for all the passengers and crew.

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What Happens After You Flush on a Submarine

How does a submarine toilet work? And where does the human waste go on submarines? If they have any tanks, what do they do when they need more room in those tanks? Submarines can be submerged for months at a time, after all! Interesting fact: the toilet contents serve as fish food.

So, humanity has explored the depths of our oceans, we’ve reached the vacuum of space! We dig underground mazes and ride trains in them! However, wherever we go, we tend to need toilets. So, how does that work when you’re in a submarine? Or down in the subway? Or floating above Earth in the ISS?

Subway toilets 0:30
Submarine toilet 1:47
Yacht toilet 3:47
RV toilet 4:30
Passenger train toilet 5:12
Plane toilet 6:00
Space toilet 6:40

Other videos you might like:
13 Hygiene Things We Learnt to Do Wrong
Are Public Toilets As Safe As You Think?
What Happens After You Flush on a Cruise Ship

#toilet #howitworks #brightside

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What Happens When You Flush the Airplane Toilet

Everybody knows that a plane is airtight! Every crevice is sealed to keep the cabin pressurized. Because otherwise, none of us would be able to breathe this high up in such thin air. But what about all those movies showing holes in the fuselage ripping passengers right out of the plane in the blink of an eye?! So when you flush the toilet, you open that hole, creating an opportunity for the pressure difference to eject the contents…right?

Well, even if you were somehow pulled through that tiny hole, you wouldn’t get spit out of the plane. When you flush the toilet on an airliner, the contents don’t just get sprayed across the Earth for everyone down below to have to deal with. That would be gross, harmful for people and the planet…and illegal!

Other videos you might like:
12 Things You Should Never Flush Down the Toilet
What Happens After You Flush on a Cruise Ship
13 Things You Shouldn't Dump Down the Drain

What if you were pulled through the toilet? 1:42
How plane toilets work 3:48
What are these warning signs for? 6:28
The only place that could spit you out the back of the airplane 7:30

#planes #howitworks #brightside

- Even if you were somehow pulled through that tiny hole, you wouldn’t get spit out of the plane, spaghettified or not.
- That’s not to say airplanes don’t decorate the landscape with sewage these days…only now it’s purely by accident.
- But if you got pulled through the toilet, you wouldn’t end up hurdling toward the ground – you’d just go to that onboard holding tank that keeps all the waste until it can be emptied.
- The onboard lavatory system does make smart use of the pressure difference between the inside and outside of the plane. And that’s why it’s so loud when you flush.
- When you flush the toilet, it opens a sort of flap. Because high pressure will always go where its lower when given the chance, the immense air pressure in the cabin pushes whatever’s in the toilet down to the holding tank.
- Even at breakneck speeds, the suction isn’t enough to pull you through. It’s not even enough to push the compressed air out of the lavatory itself since there are vents to the room, and the doors aren’t airtight.
- It also isn’t enough to suction you to the toilet seat if you happened to be sitting on it when you flush. Technically, it could if you somehow managed to create a perfect seal.
- Well if you can’t get pulled through or suction-cupped to the seat, then why are there these warning signs telling you to close the lid before you flush?
- For one, it’s deafeningly loud and disturbs other passengers. But more importantly, it’s something you should do even at home because of what’s called “toilet plume.”
- If there’s one place that’ll spit you out the back of the airplane, it’d be the tap system!
- Weight and expense also play a role in why that water shuts off so quickly while you’re washing your hands.
- So, I guess if I could shrink myself down to the size of an earring, I could get washed down the drain, shot out the back of the plane, and, once again, be freefalling back down to Earth.

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Flushed: The Journey Down the Toilet in VR | Education in 360

Have you ever wondered what happens to waste when we flush it down the toilet?
Take an amazing 360 VR journey through a sewage system and find out what happens to your waste as it travels down the toilet, sewage pipes, and more!

Discussion points for schools:
- What happens when we flush the toilet?
- How do we treat wastewater?
- How long does it take for our waste to re-enter the water cycle?
- How happens to poop?

Use with a Google Cardboard VR headset for an even more immersive experience.

This is part of the Education in 360 series.
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We allow use of this video for non-profit teaching purposes via the YouTube website or native YouTube app only. The video may not be downloaded or used with any third party application without permission.

To use the video outside of these terms, or for the full tour please contact us at:

Copyright © Seymour & Lerhn 2020. All Rights Reserved. Video and associated content may not be used without the express permission and consent of Seymour & Lerhn.



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This Is What Happens When You Flush An Airplane Toilet

Have you ever wondered about airplane bathrooms?
Have you ever wondered what really happened when you flush an airplane toilet? If you think that the remains get dropped in the sky, you’re wrong! The airplane actually has a cool system that takes care of the toilet waste and today, we’ll explore its history and give you some fun facts on “blue ice.” Stay tuned to find out what that is!

After you flush an airplane toilet, the waste gets disposed into a pneumatic vacuum, which came a long way since its beginnings. You’ll never believe what pilots had to do before that and what happened during strong turbulence, but we can tell you that it definitely wasn’t a pleasant experience for anyone on that plane.

The pneumatic vacuum then transports the waste into a tank, located on the plane. This tank stores the waste until the plane reaches the ground. From there, the ground team uses a truck which takes the flushed airplane toilet waste and dumps it somewhere outside the airport.

Have you ever heard of the term “blue ice”? It’s a result of the waste leaking from the toilet into the sky. Because of the low temperatures, the waste turns into ice and then drops back to the Earth at an impressive speed. Wait until you hear just how common blue ice is and how many people have witnessed airplane toilet waste leaking on the ground!

If you’ve ever wondered what happens when you flush an airplane toilet, make sure to watch our video. Did you know that the modern airplane toilets were first installed in 1982? We can’t even imagine what happened during turbulence before that date!

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What Happens When You Drink Too Much Water

We couldn't live without water. But if we drink too much, it can wreak havoc on our brain and body. Drinking more water than your kidneys can process can throw your blood sodium levels out of balance. That's called water intoxication. And in extreme cases, it can cause brain damage, comas, and even death.


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Following is a transcript of the video:

What do you think of when you hear the word poison? Arsenic? Cyanide? How about water?

Life couldn’t exist without water. But in the right circumstance... Water can be as dangerous as any poison.
Here's what happens when you drink too much water.
Your kidneys filter out excess waste and water from your bloodstream. But they can only process 800-1,000 mL of water an hour. And if you somehow manage to drink more than that without throwing up, you can run into trouble. Because you’re drinking faster than your kidneys can process it. So the excess ends up in your cells.

Normally, your cells are surrounded by a carefully-balanced solution of sodium and water, which flows in and out through tiny holes in the cellular membrane, so it keeps the sodium concentration both in and out of the cell balanced.

But when you drink too much water, the sodium solution gets diluted. It’s not salty enough. So some of that extra water rushes into the cell to restore balance and that causes it to swell up.

Doctors call this water intoxication and it’s a big problem. Now, most of your cells can handle the swelling to a degree since soft, flexible tissue like fat and muscle can stretch.

But for the cells in your brain, it’s another story, because your skull isn’t stretchy.
It’s bone. It’s hard — like a rock.

So, as your brain swells, it builds up the pressure in your head.

At first, you might experience headaches, confusion, or drowsiness.

But as the pressure increases, you risk brain damage, coma, and even death. And it could all be over in less than ten hours.

A 64-year-old woman, for example, died the same evening after drinking between 30-40 glasses of water. And a group of US Army trainees suffered vomiting and seizes after downing over 2 liters per hour after a tough day of training.

But it’s marathon runners who need to be especially careful. A study found that 1 in 6 marathon runners develop at least mild water intoxication because the race stresses their body, including the kidneys. So, they don’t excrete water as efficiently, which can cause water to back up into the blood more easily.

People with certain kidney issues are also vulnerable since they can’t properly process water and the problem isn’t unique to water.

For example, the same thing can happen if you down too much beer at once. That’s called potomania.

The good news is that there’s an easy way to stay safe. The average healthy adult needs somewhere around 3-4 liters of water a day. And since this can come from food and other drinks too, drink when you’re thirsty, and then stop.

CLOGGED TOILET? How to Unclog the Toilet without a Plunger!

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Clogged Toilet? No Plunger? No Problem! In this video, Melissa Maker shows us a simple way to unclog a toilet without using a plunger—and yes, it does work!




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What Happens After You Flush: The Journey of Water Down the Toilet

A riddle for you: The average person uses it about 2,500 times a year. Over a lifetime, you end up spending 3 months there. It gets the highest number of simultaneous visitors during Super Bowl halftime. Yep, today we’re talkin’ toilet! Let's find out how it works!

Believe it or not, the key moving power behind today’s toilets is … gravity. But for gravity to pull our waste away, it needs some help. That’s where the commode’s specific design and engineering come into play. What happens when you flush will often depend on where you live in this world, but here are the basics…

What Happens After You Flush?

Reporter Taylor Morgan found out about the process to get clean water back in your bowl.

What If All People Flushed at the Same Time

What would happen if everyone on Earth flushed at the same time? And how does toilet flushing work, by the way? When you flush your toilet, you don’t even give a second thought to what happens to sewage water in the pipe work: how fast it travels, or where it goes. But if you ever do, then you should hope there will never come a day when everyone in the world flushes at the exact same moment.

In older buildings, especially outside the US, you can still find this kind of a drawer that opens up on a really huge vertical pipe. That’s where all the waste goes when you and your down and upstairs neighbors flush. May sound gross, but you can even hear the waste water rushing past you when someone above presses the button. So imagine that the whole column just decided to flush at the exact same moment...

What happens first is... howling ???? 1:24
Flushington Flush Day 2:50
Looking for the highest hill 4:38
What about a World Flush Day? 6:18
Stinky tsunami 7:48

Other videos you might like:
12 Things You Should Never Flush Down the Toilet
What Happens After You Flush on a Cruise Ship
13 Hygiene Things We Learnt to Do Wrong

#whatif #hygiene #brightside

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What You Should & Should Not Flush Down the Toilet | One Small Step | NowThis

There are only 4 things that should ever be flushed down the toilet: pee, poop, vomit or puke, and toilet paper. Here's why you should never flush wet wipes down the toilet.
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Can our toilet habits be sustainable? What happens to things you flush down the toilet? In this episode of One Small Step, your host Lucy Biggers goes on a mission to find out how we can make our toilet habits more sustainable.

First, Lucy visits a wastewater treatment center in New York City (a waste water treatment plant) and speaks with Mikelle Adgate about some of the major issues with our sewage system and to find out what's considered 'flushable.' Then Lucy chats with Co-Founder of Fohm Co. Jerry Staub, about a more sustainable alternative to wet wipes. Lastly, Lucy sits down with Danny Alexander Co-Founder of Who Gives a Crap, to talk about his startup that sells sustainably sourced toilet paper that's made from bamboo.

The average American uses 3 rolls of toilet paper every week, and although toilet paper is safe to flush, it's not the only thing that's making its way into our sewer systems. Where does waste go once it's been flushed? Everything that gets flushed down the toilet ends up at a waste-water treatment facility.

One major issue is wet wipes. Almost all wet wipes contain plastics or synthetic fibers that, once flushed down the drain, can end up combining with grease into masses called fatbergs which clog city sewers, and can cost millions of dollars to clean up each year.

If you want to take one small step towards a more sustainable lifestyle and a healthier planet then remember this: DO NOT FLUSH WET WIPES! Put them in the trash instead.

#Waste #Poop #Toilets #ClimateChange #Environment #OneSmallStep

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What happens to everything we use after we throw it away? How does our trash impact the environment and contribute to things like pollution and climate change? From plastics and recycling to food waste and composting – we're breaking down the issue of waste and sustainability piece by piece to answer one of the most important questions facing the world today: How do we save our planet?

From exploring the latest tech and science innovations shaping our future, to living sustainably and protecting our planet from climate change — this is NowThis Future!

NowThis is your premier news outlet providing you with all the videos you need to stay up to date on all the latest in trending news. From entertainment to politics, to viral videos and breaking news stories, we’re delivering all you need to know straight to your social feeds. We live where you live.


Where does your poop go? From flush to renewed water

Take a tour through the West Boise Water Renewal Facility where sewage is converted into renewed water. Read more:

Let’s wipe it out!

‘Bin it don’t flush it’ - follow Jacob’s journey of discovery to see just what happens when wet wipes are flushed away.

Think Before You Flush Animation

Think Before You Flush is a public awareness campaign about the problem sanitary products and other items can cause in our marine environment and our wastewater systems if they are flushed down the toilet.

The campaign is operated by An Taisce’s Clean Coasts programme and is supported by Irish Water.

Flushed Away (2006) - Down The Toilet Scene (2/10) | Movieclips

Flushed Away - Down The Toilet: Sid (Shane Richie) flushes Roddy (Hugh Jackman) down the toilet.

Watch the best Flushed Away scenes & clips:

After an ignoble landing in Ratropolis, a pampered rodent (Hugh Jackman) enlists the help of a sewer scavenger (Kate Winslet) in finding his way back to his posh London flat. Getting home is not the only problem, however; a rodent-hating toad (Ian McKellen) wants his notorious cousin, Le Frog (Jean Reno), to exterminate the pair.

TM & © Universal (2006)
Cast: Hugh Jackman, Shane Richie
Director: David Bowers, Henry Anderson, Sam Fell

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Don’t Flush Spiders Down the Toilet; Spiders can live for days underwater

Don’t Flush Spiders Down the Toilet; Spiders can live for days underwater

They just might crawl back up the pipes and surprise you when you least expect it. And BTW no spiders were hurt during the filming of this video. If you don’t believe me, watch the entire video.

Black Widow Spiders:
Latrodectus is a genus of spiders in the family Theridiidae, most of which are commonly known as widow spiders. The genus contains 31 recognized species distributed worldwide, including the North American black widows (L. mactans, L. hesperus, and L. variolus), the button spiders of Africa, and the Australian redback spider. Species vary widely in size. In most cases, the females are dark-coloured and readily identifiable by reddish markings on the abdomen, which are often (but not always) hourglass-shaped.

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Where Does Your Poop Go? | Brit Lab

Greg Foot has the dirty task of explaining, where does all of our poop go?

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Manila Water Lakbayan Video (English)

Explore and go on a water journey!

Ever wondered how water is treated to become potable right from the tap? Or how wastewater is treated before it flows back to our river system?

Now, you can learn the wonders of water with Manila Water’s Lakbayan or Water Trail program!

From the Filipino word lakbay (journey), Lakbayan takes you on a unique journey to gain a clearer understanding of the importance of using water wisely, the urgency of reviving our rivers and the need to protect our watersheds and the environment.

Sign up for Manila Water's Lakbayan! This half-day educational tour allows participants to follow the water trail from a water treatment facility to an actual sewage treatment plant. The plant visits are complemented by interactive lectures and games. Learn more about the processes involved in water distribution and treatment, all in an exciting field trip.

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