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What is thalassophobia, you may ask? Thalassophobia is a persistent and intense fear of deep water, such as the ocean or sea. What makes this phobia different from aquaphobia — the fear of water in general — is the fact that it centers on vastness, darkness, and depth. People who have this condition are not terrified of getting wet but rather of the might and mystique behind the waves.

It is, in fact, a scary thought — the endless depth of the ocean underneath your boat with unknown creatures filling the vast voids of unexplored seas. No, scratch that — you might even start getting uncomfortable just by looking at pictures depicting the endlessness of the deep blue seas! 

And if you were wondering what it is like to have thalassophobia or what images could cause this unsettling feeling, take a look at our selection of photos from the Thalassophobia subreddit. While we agree that at first glance, they are just beautiful, there indeed is a certain unsettling aura about them! 

How Do I Know If I Have Thalassophobia?

If you experience feelings of anxiety and fear about the sea or any other large body of water, chances are, you have thalassophobia. The fear you might be experiencing is usually disproportionate to the danger the water poses to you at a given moment - the body of water might be calm as a mirror and still give you these unsettling feelings. As for the symptoms, thalassophobia shares them with other specific phobias, such as claustrophobia, and includes:

  • Sudden onset of anxiety or fear;
  • Shaking and trembling;
  • Sweating;
  • Dry mouth;
  • Increased heart rate or heart palpitations;
  • Difficulty breathing, including hyperventilating;
  • Chest pain;
  • Fear of losing control.
#3

Orcas In The Waves

Orcas In The Waves

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Ria C.
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That is beautiful. Scary cause murder mammal in murder water. But beautiful nonetheless.

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#4

This Seaweed Through Clear Water

This Seaweed Through Clear Water

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What is Thalassophobia Caused By? 

Thalassophobia could be caused by traumatic events, such as a childhood near-drowning experience, witnessing a shark attack, never learning to swim, or even being told scary stories of the ocean.

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By associating a specific situation, such as being in deep water, with a panic response, over time, a phobia of that situation can develop.

However, if you’re unsure whether you do have thalassophobia or not, you can always take a thalassophobia test on the internet and discuss it with your mental health professional.

#6

"Uhhhh, There's More Than Just Kelp And Angelfish Down Here, Over"

"Uhhhh, There's More Than Just Kelp And Angelfish Down Here, Over"

1myuutsu4 Report

#7

British Underwater Photographer Of The Year Winner 2022

British Underwater Photographer Of The Year Winner 2022

heresyourhardware Report

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#9

Is To Me Or Are Black Tiled Pools Terrifying

Is To Me Or Are Black Tiled Pools Terrifying

Desperate_Squirrel20 Report

As we’ve mentioned in the beginning, it’s the mere thought about the depth of the ocean or creatures lurking in the bottom of a body of water that might cause thalassophobia, and the images from the Thalassophobia subreddit illustrate it really well. 

The group itself is very dedicated to the quality of its content and fostering a welcoming environment both for thalassophobes and ocean lovers. Interested to learn more about the community, we contacted the moderators of 'Thalassophobia', and they were kind enough to have a little chat with us.

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"Our core mod group has 4 active members, which is a small team for a subreddit of our size," they told Bored Panda. "Compared to other subreddits of our size, we don't feel like we police posts or comments as much. The reason we do so little policing can probably be explained by our subreddit's niche context that revolves around a very specific set of inoffensive content.”

#10

Taken Off The Coast Of Southern California 2 Weeks Ago

Taken Off The Coast Of Southern California 2 Weeks Ago

bram_stokers_acura Report

“We're just a bunch of people sharing stories, images, and videos of bodies of water that leave us in awe, wonder, and trepidation. Whenever we do police content, it's usually because it's a repost or focuses on a sea creature rather than the vastness of the ocean or the unknown depths of a body of water. We prefer for the ocean/water to play the primary role in content."

The mods also said the 'Thalassophobia' community is very passionate and filled with both ocean-fearing and ocean-loving people. "Based on previous polls we've had in the subreddit, it's split roughly 50/50 between those [two groups]."

"Although half of the community loves the ocean, everyone understands that there are people with a fear of deep water, and everyone is respectful of that in their posts and comments. It's a great community to be a moderator in," they explained.

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#13

The Deadliest Stream In The World - It Looks Normal, But Underneath It Is Full Of Caves Of Powerful Fast Moving Water That Will Drag You Down. 100% Fatality Rate

The Deadliest Stream In The World - It Looks Normal, But Underneath It Is Full Of Caves Of Powerful Fast Moving Water That Will Drag You Down. 100% Fatality Rate

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#15

When You Fear Of Flying And Your Fear Of Water Meet Each Other

When You Fear Of Flying And Your Fear Of Water Meet Each Other

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#16

Beach Weather Is Upon Us!

Beach Weather Is Upon Us!

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Why Is Deep Water So Scary? 

Although each one of us has different answers to the question, we have some thoughts about it, too. Deep water might appear frightful because of our inherited fear of the unknown — sounds simple, but it is still spooky. Then, there’s the factor of vulnerability as deep water and being in them makes us feel really small and exposed. 

Also, add the distinctive feeling of isolation when there’s nothing around you, just water, some more water, and a bit more of it, and you suddenly feel very alone and helpless. And lastly, the darkness of the bottom as if you’re staring right into the eye of the abyss. 

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We think that any of these factors are a good enough reason to have an immense fear, so if you think you have thalassophobia, don’t worry — it’s completely okay to experience it. In fact, up to 12,5% of the population experience a specific phobia every year!

#22

Because All My Friends Say This Photo Of Me Freediving Gives Them The Willies

Because All My Friends Say This Photo Of Me Freediving Gives Them The Willies

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ZentheOgre
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Start adding dark shapes in the backgrounds when you show them pictures. Items like Thomas the trains face, rubber duck, sushi rolls Cthulhu are common items that you could sneak in

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#27

Jacob's Well In Texas

Jacob's Well In Texas

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Turt_Le
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

It gives me the impression that you'd fall/sink/get pulled down if you swam over the opening as illogical as that sounds

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#29

Guadalupe Island, The Most Terrifying Place On This Planet

Guadalupe Island, The Most Terrifying Place On This Planet

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Evelyn
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

*Remember there are more people bit by humans in NYC than by sharks in the world* Save the sharks!

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#30

There’s Something Particularly Terrifying About The Idea Of Water You Can’t Even Float In

There’s Something Particularly Terrifying About The Idea Of Water You Can’t Even Float In

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Izzy Curer
Community Member
1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

They put these signs on the aeration tanks at water purification plants. While there have been a few people who have fallen in and drowned, whether or not aeration would cause a human not to float hadn't really been tested until more recently. It turns out humans can float in an aeration tank, and it's now thought that those who drowned died of other complications. They still keep the signs up, though, since the tanks are still dangerous in general, and also because they're full of icky water that no one should really want to be in.

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#31

The Bottom Of An Iceberg

The Bottom Of An Iceberg

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Ash
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That's beautiful. I know what it is, but I can convince my brain it's something else.

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#32

Whirlpools Are Actually Terrifying, You Guys

Whirlpools Are Actually Terrifying, You Guys

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#33

Swimming Next To A Ship In The Open Ocean, Miles From Land

Swimming Next To A Ship In The Open Ocean, Miles From Land

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Grace Austin
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That dude in the middle- is he drowning? Is he calling out for help? Is he waving to the camera? Is he voguing?

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#34

A Diver Riding A Giant Underwater Worm (Pyrosoma Atlanticum)

A Diver Riding A Giant Underwater Worm (Pyrosoma Atlanticum)

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Official Cat
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

i am not really scared of water, but i am scared of that worm!

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ZentheOgre
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

It's not a worm. It's essentially a colony of sales. Which are basically living gummi's not very different from jellyfish

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Ash
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Pyrosoma atlanticum grows up to 2ft long. That's something else. Possibly photoshop?

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Marie
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Other Pyrosomas can go up to 12 meters (about 40 feet), so I guess they just got the name wrong. In any case, it's not just one entity, put a grdoup of smaller creatures forming that huge structure.

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Loki’s Lil Butter Knife
Community Member
1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

National Geographic has a wonderful video of this: https://youtu.be/DZkzuEqqhVI

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Pascal Oudot
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

It is in fact a pelagic Thaliacié in other words, a set of aquatic organisms that occupy a column of water. Indeed, the pyrosome is an animal that comes in the form of a floating colony that can reach more than 20 meters.

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Trikki Vix
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

bit disrespectful to the creature..its not for their fun :(

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Paulo Leitao
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

This is not a giant worm. its a habitat, a colony. its a structure.

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It's Izzy 🇺🇦
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I'm trained to do scuba diving, but I don't really like it and this is why - you can't yell out for help. Just have to rely on hand signals.

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Amanda
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I didn’t even know there were giant underwater worms!

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Gary Morrison
Community Member
8 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Welcome to Dune on the water planet! Eyes of blue in blue from the spice... Giddy-up lil' doggie!

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Rob Edman
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Don't go looking it up just keep telling yourself its not real.

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Stephen H
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

A colony of P. atlanticum is cylindrical and can grow up to 60 cm (2.0 ft) long and 4–6 cm (1.6–2.4 in) wide.

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honeyk
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

poor worm. he does not enjoy being tortured and frightened by a stupid human.

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Logan Miller
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I would fear that the head would turn around and eat me even though worms dont really have mouths.

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Andrea Steinacher
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

nope. that´s photoshopped. https://en.wikipedia.org/wiki/Pyrosoma_atlanticum

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Amaranthim Talon
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Shai Hulud!! “Bless the Maker and His water. Bless the coming and going of Him. May His passage cleanse the world. May He keep the world for His people. ”.

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Bobby Sammons
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

OK, we see the middle, what does each end look like. I would like to know before getting eaten or s**t on

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Nancy Lynch
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

There are worms that big?! I thought they were sea serpents!

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Allen Hinton
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That "worm" like creature is actually millions of tiny creatures hanging on to each other in spherical shaped tubes.

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Veri Rockt
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

First rule while scuba diving: do NOT touch animals and plants, you will harm them. How are people like this still allowed to dive?

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Erin Eubanks
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

They only get 2' long and about 2.5" wide. So is this photoshopped??

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Maf Sweet
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

A quick google of the name easily proves that this is BS. They only grow to 2 feet long!

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Paul Macdonell
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

No! Not true. This is an underwater cable or hose of some sort. PA's only gown to 2 feet in length and 2-3 inches wide. Look it up.

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Loki’s Lil Butter Knife
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I totally thought that it was Photoshopped as well until I saw the following National Geographic video showing a really large one that was discovered in New Zealand just two weeks ago, so I totally stand corrected: https://www.youtube.com/watch?v=DZkzuEqqhVI

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willi santiago
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I'm calling 🐂💩 on this one. The pics I've seen of that species are, like, 6" lo g

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Loki’s Lil Butter Knife
Community Member
1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I thought the exact same thing and was actually about to write a comment calling Photoshop, until I saw the recent National Geographic video. A giant pyrosome colony was discovered in New Zealand about two weeks ago by divers. The pyrosome colony was about 26 feet. Here is a really neat video from National Geographic: https://www.youtube.com/watch?v=DZkzuEqqhVI

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Suzy the observer
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Looks like he's whipping the worm. Bothering other creatures knows no depth it seems.

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James Foote
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Apparently they have spinal cords so they are technically vertebrates 😲 The Giant Pyrosome is a free-floating, colonial tunicate that is made of thousands of identical clones, together forming a hollow cylindrical structure that can be 60 feet (18 m) long and wide enough for a person to enter. Each individual clone is a small, complete animal that filters water, nonstop, in order to obtain food, flush out waste, and contribute to the propulsion of the entire super-organism. These clones have a notochord (“spinal” chord) and are therefore chordates, along with all vertebrates, including people.

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Ruth Hempsey
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I don't like this because how do we know he isn't doing harm to the organism? Or organisms.

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Analyn Lahr
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Excuse me? A what?! They didn't talk about that on Blue Planet.

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RoseTheMad
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I had no idea giant underwater worms like this were a thing, so honestly this is just kinda fascinating.

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Livy Leonard
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Oh my gosh… I thought the giant worms in spongebob were myths

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Emery Walters
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That does it, I'm moving farther inland, and preferably, up a mountain.

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Frank Miller
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That would not be the correct name. Pyrosoma Atlanticum is a colony that's only known to grow up to 2 ft long. It is also not smooth and sleek.

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Nubmaeme
Community Member
1 year ago

This comment has been deleted.

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#35

Brine Pools Are Just The Scariest Shit

Brine Pools Are Just The Scariest Shit

DedotadedWham Report

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#36

Apparently This Is The Sunken Goddess Sculpture- That’s All I Know But Look At How Big It Is!

Apparently This Is The Sunken Goddess Sculpture- That’s All I Know But Look At How Big It Is!

Otherwise-Drama-8586 Report

#37

Walked About 30 Minutes Out During Low Tide To Read This!

Walked About 30 Minutes Out During Low Tide To Read This!

ChaeusXCVI Report

#38

This Is An Under-Ice Observation Tube In Mcmurdo Station, Antarctica

This Is An Under-Ice Observation Tube In Mcmurdo Station, Antarctica

vinyl_soda Report

#39

Depth: Infinite Ft

Depth: Infinite Ft

abagelinmynavel Report

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Grace Austin
Community Member
1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Kids, who’s ready to go on the bottomless pit water slide? It feels like it never ends!

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#40

This Grounded Ship Looking Like A Giant Meg

This Grounded Ship Looking Like A Giant Meg

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#41

Anybody Who Wants To Take A Dip?

Anybody Who Wants To Take A Dip?

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#43

That Last Point Made Me Double Take

That Last Point Made Me Double Take

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#44

Fresh Water Always Creeped Me Out More Than The Ocean. The General Low Visibility And Feeling "Enclosed" With Whatever Was In The Water Was Always Gnawing At The Back Of My Mind.

Fresh Water Always Creeped Me Out More Than The Ocean. The General Low Visibility And Feeling "Enclosed" With Whatever Was In The Water Was Always Gnawing At The Back Of My Mind.

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ZentheOgre
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Hah the myth about that particular dolphin. They are shapshifting tricksters that will try to drown you and turn you into a dolphin and then morph into you and take your place in your family.

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#46

Flip (Floating Instrument Platform), A Ship Flipping Vertically To Study The Behavior Of Sound Waves Underwater

Flip (Floating Instrument Platform), A Ship Flipping Vertically To Study The Behavior Of Sound Waves Underwater

JulPfl Report

#47

Going Through Old Pics, Thought I Would Drop This Here

Going Through Old Pics, Thought I Would Drop This Here

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ZentheOgre
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Just a friendly shark debating if they are worth a selfie. (Upper right look for dark shape)

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#48

Black Lined Pools Are A Thing… And They’re Terrifying

Black Lined Pools Are A Thing… And They’re Terrifying

LestrangeLauren Report

#49

It's A Nice Peaceful Day Until You Get A Glimpse Of What Lies Beneath

It's A Nice Peaceful Day Until You Get A Glimpse Of What Lies Beneath

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#50

Found This Gem On Tumblr

Found This Gem On Tumblr

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Note: this post originally had 142 images. It’s been shortened to the top 50 images based on user votes.