00:00Suppose everyone in the world wants to do this, and countries started investing billions of dollars in this project.
00:06In that case, we can colonize the ocean floor.
00:09The question is, why would we need this?
00:12For the same reason we're going to colonize Mars, to save Earth from overpopulation.
00:17Why do we need to move to the Red Planet in the near future if we can live underwater?
00:22It'll be cheaper, safer, and most importantly, not far from our home.
00:28You don't need to stay in cryo-capsules for years to wake up hundreds of millions of miles away from your planet.
00:34It's much easier to take an elevator down to the underwater city, hang out there, and enjoy the views of marine nature.
00:40Besides, staying on Mars will surely cause severe mental problems for people.
00:45Panic, stress, and the realization that you can't return to your home whenever you want can put serious pressure on your mind.
00:52It's better to live under millions of tons of salt water, and the reason why we have to do this is a need for more resources.
00:59There are about 8 billion people on Earth right now.
01:03Some experts think that when the number reaches 10 billion, the world will begin to run out of food, fresh water, and fuel.
01:10Agriculture and other industries simply won't be able to develop so quickly.
01:14Resources will be depleted, and people will have to do something to survive.
01:19The colonization of the ocean is an ideal solution to the problem.
01:23Firstly, we have very little information about the ocean.
01:26We've studied space much better than the ocean on our planet.
01:30Most likely, vast reserves of fuel are hidden under the seabed.
01:34Secondly, we will be able to reduce the load on our planet by about 50% if we move to live in the ocean.
01:41Thirdly, there will be no problems with logistics.
01:45Delivering food, necessary equipment, and construction materials will take hours,
01:49and if something breaks along the way, you can return to the surface and try to deliver it again.
01:55Sending things to Mars would be much more complex and expensive.
01:59Imagine that halfway there, millions of miles away from Earth, something breaks down on the spaceship with provisions.
02:06Then you'll have to wait for many years for the next delivery.
02:10But the main reason for ocean colonization is protection from disasters and natural cataclysms.
02:16Volcanic eruptions, radioactive winter, earthquakes, tornadoes, and floods.
02:21We can easily wait out any disaster underwater.
02:25Yeah, there are volcanoes on the ocean floor too, but the consequences of their eruptions are not so dramatic.
02:31The water immediately cools the lava and prevents ash from spreading.
02:36We will never experience the consequences of fire again, no burning forests and polluted air.
02:42And speaking about the air, there's a lot of oxygen in the ocean.
02:47More than half of the oxygen reserves on the planet are replenished by the sea, thanks to algae and phytoplankton.
02:54So don't worry, we'll be able to breathe deeply.
02:57The main thing is to figure out how to do it underwater.
03:02When humanity decides to take such a global step and begins to colonize the ocean,
03:07we will first have to adapt our bodies to high pressures.
03:10There's such a thing called saturation diving.
03:13Before descending into the depths, you must inhale compressed air.
03:18The nitrogen and oxygen quickly dissolve in your blood and exert pressure on your body from the inside.
03:24At the same time, the water pushes on it from the outside.
03:28In simple terms, your body is in balance and you don't feel bad.
03:32Divers use this method when exploring the seabed at great depths.
03:37Therefore, when people begin to colonize the ocean, they will dive there wearing cylinders with compressed air and an oxygen mask.
03:45The main rule is to surface slowly.
03:47You need to wait until the compressed air completely dissipates inside your body.
03:52If this isn't done and you rise to the surface, then you will feel intense pressure from the inside.
03:58Nitrogen will start acting in your veins like soda bubbles when you shake a can with the drink.
04:04After this adaptation, we will start building cities, roads, and stations that will transfer people to dry land and back.
04:12It shouldn't be too difficult because we already have the technologies needed for the underwater lifestyle.
04:19Welcome to the Aquarius Reef Base, located at the bottom of the Florida Keys Marine Reserve.
04:25This is a small laboratory where six people can live for ten days.
04:29Scientists working there study coral reefs, marine plants, and fish.
04:34The lab doesn't look modern.
04:36It resembles a sunken, rusty bathyscuph overgrown with shells and other underwater stuff.
04:42To create buildings with more beautiful designs, people will need new technologies for underwater construction.
04:48So let's imagine that global colonization has begun.
04:52Engineers use durable stainless metals and other materials capable of withstanding high pressure.
04:58With the help of freight elevators, people lower everything needed for large-scale construction to the bottom.
05:04Stations with such elevators appear in all the seas and oceans.
05:09Engineers build huge underwater constructions on dry land, then large ships deliver them to the stations.
05:15From there, they descend to the bottom, where scuba divers and robots set these houses on the ocean floor.
05:22Every building is like a giant submarine with lots of apartments.
05:26They look ordinary from the inside, except for the underwater view from the window.
05:30To reduce waste emissions, engineers build huge capsules in every city, where garbage is destroyed by high water pressure.
05:38People try to live closer to the shore because they want to spend less time commuting.
05:43This causes severe pollution in coastal areas.
05:46Builders set up communication between the stations and land by creating vacuum tunnels with high-speed trains inside.
05:53In simple words, this is an underwater subway, only much faster than the one on dry land.
05:59From now on, people move farther from the shore to live in cleaner water.
06:03Humanity begins to make daily life in underwater cities more comfortable when the main construction is over.
06:10Scientists create filters that can quickly purify seawater.
06:14Now, everyone has a faucet that takes water directly from the ocean and turns it into fresh water.
06:20Also, constructors put in air filters capable of extracting oxygen from the water.
06:26Electricians create underwater mills to generate energy.
06:30To leave home, a person must put on a diving suit and cylinders with compressed air and exit through an airlock.
06:37People swim between buildings and talk to one another using radio communication.
06:42For faster movement, car companies produce small bathyscopes with locked cabins and powerful propeller systems.
06:48Over time, engineers create large domes where you can walk and breathe fresh air, like on land.
06:55Global clothing brands develop fashionable diving suits and practical accessories for comfortable underwater movement.
07:02For example, you can attach a small heater to your clothes to not freeze while swimming.
07:07And you can also put on wider fins with engraved brand symbols.
07:11To make such a lifestyle as comfortable as possible, scientists and biologists create masks that work like gills and provide a person with oxygen extracted from the water.
07:22Constant exposure to high pressure changes people's physiology over time.
07:27In the water, we need to put more effort into moving.
07:30People who often leave their homes lose a lot of calories.
07:34They become slimmer and their muscles get stronger.
07:37Look at the Olympic swimming champions.
07:39Now, almost all underwater citizens have the same developed shape.
07:44Our body temperature is falling and evolution slowly turns us into cold-blooded creatures.
07:49A lack of sunlight makes our skin paler and we start resembling amphibians.
07:54We learn more about deep-sea creatures such as the giant squid and other monsters.
07:59Almost every month, scientists discover new species.
08:02But at the same time, many fish species disappear because of human activity in the ocean.
08:07The extraction of natural resources from under the seabed heavily pollutes the water.
08:12To reduce the load on the planet, people decide to colonize the sky.
08:17But this is a topic for another video.
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