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Curiosity is a powerful force that drives humans to explore the world around us. It's the reason why we ask questions and venture into the unknown. And sometimes, it leads us to break or open things just to see what's inside, too.

In this list, Bored Panda gathered some of the most surprising and intriguing cross-sections that we could find. From the inside of a bowling ball to the inner workings of a cactus, these pictures are sure to stir up your interest. We've even "cut up" a mechanical calculator to show its complex mechanisms!

So sit back, relax, and continue scrolling to enjoy this fascinating journey through the unexpected contents of everyday objects.

#1

Picked Up An Old Clam Beside A Lake In South Australia And Found A Small Colony Of Plants Inside, Living Off Of The Nutrients

Picked Up An Old Clam Beside A Lake In South Australia And Found A Small Colony Of Plants Inside, Living Off Of The Nutrients

gNomad88 Report

#2

My Dog Finally Finished Her Favorite Toy Tonight, Only To Find There Was A Smaller, Even More Squeaky Toy Inside

My Dog Finally Finished Her Favorite Toy Tonight, Only To Find There Was A Smaller, Even More Squeaky Toy Inside

fluorescent_noir Report

The process of taking something apart to understand how it works is called reverse engineering, and there are many reasons why someone (or a company) might do it.

You can reverse engineer consumer products, software, mechanical parts, pieces of technology, or even architectural structures.

When companies employ this practice, engineers usually do it without the original blueprints. While there are many ways to reverse engineer a product, a popular method is to take apart a smaller part of a product and analyze it until you get a thorough understanding of it.

#3

Cross-Section Of Several Different Cables

Cross-Section Of Several Different Cables

CHooTZ Report

#4

My Firewood Had A Pine Cone Inside The Tree

My Firewood Had A Pine Cone Inside The Tree

nzscion Report

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RavenTheCat
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

The cone is likely older then the tree. And the tree grew around it more then likely due to the sap causing it to stick

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#5

The Squeaker From Inside Her Dog Toy Has Declared Her The Winner

The Squeaker From Inside Her Dog Toy Has Declared Her The Winner

MissShananigansbong Report

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Arunika R.
Community Member
11 months ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

It would be amazing to have a collection of these over the years

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You can deconstruct (and reconstruct) things in many different areas. Jazz musicians can take apart a song and put the ideas together in a new improvisation of the original. Writers might look at a well-known story and retell it in a new, fresh way.

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The musical West Side Story, for example, was based on the storyline from Shakespeare’s Romeo and Juliet, and James Joyce’s Ulysses is a modern-day retelling of The Odyssey by Homer.

#6

The Inside Of This Guitar Looks Like A Really Fancy Apartment

The Inside Of This Guitar Looks Like A Really Fancy Apartment

VarneyKing Report

#7

The Wine I Ordered Online Came With A Tiny Set Of Dice Packaged Inside A Hollow Cork

The Wine I Ordered Online Came With A Tiny Set Of Dice Packaged Inside A Hollow Cork

Calliope719 Report

#8

Had To Cut A Sunflower In Half Today At Work, Thought It Might Be Appreciated Here

Had To Cut A Sunflower In Half Today At Work, Thought It Might Be Appreciated Here

Charissh Report

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#9

The Inside Of A Cactus

The Inside Of A Cactus

Zavalac03 Report

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Arunika R.
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

If I'm not wrong, these vessels are used to store and transport water. It's called xylem and it's present in every plant, but it's stronger and larger in cacti because of dry climate.

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In business, updating older products for current use is also one of the main reasons why people turn to reverse engineering. It could include rebuilding:

  • An old or outdated product;
  • An expensive product using cheaper or more readily available materials;
  • A product that uses mechanical parts that no longer exist;
  • Another company's product to learn about it;
  • Reverse engineering helps engineers understand the product's function, which they can use to create an effective updated version that still meets user requirements.
#10

A Cross-Section Of A Professional Painter's Palette (6 Months Deep)

A Cross-Section Of A Professional Painter's Palette (6 Months Deep)

wWOVOWw Report

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#11

Inside Of A Mechanical Calculator

Inside Of A Mechanical Calculator

reddit.com Report

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alicepatel avatar
Arunika R.
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

It's such a wonder humans could think about creating beauties like this and actually make it function

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#12

The Tigers On These Socks Look Like House Cats When Turned Inside Out

The Tigers On These Socks Look Like House Cats When Turned Inside Out

The_RockObama Report

Reverse engineering can also help repair products that are already on the market. This process can be especially helpful if nobody is sure what's causing the issue. Engineers may also take these products apart to see if there are any ways to fix them or improve functionality with new technology or smarter design. For example, a company may learn that newly available technology can help improve glitching issues within a software application. Through the reverse engineering process, they may also learn that there's a more efficient way to create the product.

#14

Cross-Section Of Our Painterā€™s 1-Year-Old Stir Stick

Cross-Section Of Our Painterā€™s 1-Year-Old Stir Stick

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#16

My Sister Found This Tiny Egg Inside Her Hard-Boiled Egg

My Sister Found This Tiny Egg Inside Her Hard-Boiled Egg

galafem Report

#17

Bit Into A Wonderful Surprise Today And Learned About The Delicious Lucy Glo Apple. The Best Apple I Have Ever Had

Bit Into A Wonderful Surprise Today And Learned About The Delicious Lucy Glo Apple. The Best Apple I Have Ever Had

SnowgogalAlaska Report

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As writer Eric Braun pointed out, deconstruction also plays a part in teaching something to someone else. In order to pass down the knowledge, you need to understand its components and how they fit together. This comes from focused learning on each aspect of the topic. If a student does not understand something and has a question, the teacher will not be able to convey the topic if they cannot answer it.

#18

The Inside Of My Red Onion Looks Like A Lotus Flower

The Inside Of My Red Onion Looks Like A Lotus Flower

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NickTheDuck
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Black lotus 0 Mono artifact adds three mana of one color of your choice to your mana pool, then is discarded. tapping this artifact can be played as an interrupt.

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#19

This Is A Tree Burning From The Inside In Oregon, USA. Donā€™t Let The Rain Fool You

This Is A Tree Burning From The Inside In Oregon, USA. Donā€™t Let The Rain Fool You

Pyrovixen Report

#20

The Inside Of My Inflatable Air Mattress

The Inside Of My Inflatable Air Mattress

-who_knows- Report

#21

Elephant's Foot

Elephant's Foot

sverdrupian Report

As you can see, you can learn a great deal by taking things apart. However, if you decide to do it, don't forget to take pics and share them with the rest of us!

For more similar "lessons", fire up Bored Panda's earlier publications 30 Photos Of Objects Cut In Half That Reveal The Unseen Side Of Things and 30 Times People Broke Or Opened Things And Were Surprised By What They Found Inside.

#22

I Cut Into A Cantaloupe And The Inside Was Square

I Cut Into A Cantaloupe And The Inside Was Square

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#23

This Cedar Wood That I Was Cutting Had Purple Inside

This Cedar Wood That I Was Cutting Had Purple Inside

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JoMeBee
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Too bad it was cut to firewood size. I bet some wood crafters would have loved using this...

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#24

Cross-Section Of A Banana Tree Trunk

Cross-Section Of A Banana Tree Trunk

RyanSmith Report

#26

There Was A Billiard Ball Inside Of My Bocce Ball

There Was A Billiard Ball Inside Of My Bocce Ball

TheRealPinballWizard Report

#27

Inside Of A CT Scanner Undergoing Maintenance

Inside Of A CT Scanner Undergoing Maintenance

radsman Report

#29

Opened Up A Lighter And There Was Just Another Lighter Inside

Opened Up A Lighter And There Was Just Another Lighter Inside

clumsyinsomniac Report

#30

Steel Core Inside A "Rubber" Bullet

Steel Core Inside A "Rubber" Bullet

I_walked_east Report

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Roger9er
Community Member
11 months ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

That's why they hurt like f*ck. The rubber coating just prevents it from penetrating the skin.

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#31

Cross-Section Of A Poppy Flower Before Blooming

Cross-Section Of A Poppy Flower Before Blooming

Mush4Brains- Report

#32

Cross-Section Of A Whale Rib

Cross-Section Of A Whale Rib

fjbruzr Report

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Roger9er
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Their bones are not as heavy as I thought. They're like bird bones, full of air pockets.

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#33

There Was A Bag Of Tiny Dice Inside My Bar Of Soap

There Was A Bag Of Tiny Dice Inside My Bar Of Soap

joekriv Report

#34

One Of Our Chickens Just Laid A Jumbo Egg With Another Egg Inside

One Of Our Chickens Just Laid A Jumbo Egg With Another Egg Inside

86-your-enthusiasm Report

#35

Manual Focus Camera Lens

Manual Focus Camera Lens

DerB_23 Report

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Roger9er
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

The fact that somebody invented and then created this, amazes me.

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#36

The Stacked Layers Of Anodes And Cathodes Inside Of A Duracell Battery

The Stacked Layers Of Anodes And Cathodes Inside Of A Duracell Battery

9ShadesLeft Report

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mcborge1
Community Member
11 months ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

A lot of 9v batteries just have six AAAA batteries inside!

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#37

A Bowling Ball With Its Inside Exposed. I Found In The Woods

A Bowling Ball With Its Inside Exposed. I Found In The Woods

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#38

Repurposed. Kid's Halloween Snap-On Bracelet Cut Opened, Is Actually A Tape Measure

Repurposed. Kid's Halloween Snap-On Bracelet Cut Opened, Is Actually A Tape Measure

jrosati1 Report

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Becky Samuel
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

This type were banned years ago because they're so dangerous. That metal tape measure can slash right through a child's delicate wrist with catastrophic results.

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#39

The Insides Of A Movie Theater Screen

The Insides Of A Movie Theater Screen

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#40

The Inside Of A Fire Alarm Is Just A Simple Switch

The Inside Of A Fire Alarm Is Just A Simple Switch

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Giles McArdell
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

I think the point here is to be consistent - older alarm switches would have pulled a heavier or more complex mechanism, the alarm switch has to remain easily identifiable however so while the technology got simpler the switch itself needs to stay the same.

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#41

Pulled A Paper Wasp Nest From The Corner Of My Shed And It Left A Perfect Cross-Section

Pulled A Paper Wasp Nest From The Corner Of My Shed And It Left A Perfect Cross-Section

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#43

The Die From The Inside Of A Magic 8-Ball

The Die From The Inside Of A Magic 8-Ball

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#44

What's Inside The Breast Implant?

What's Inside The Breast Implant?

KAMINSKYI Report

#46

The Other Side Of A Fast Food Soda Fountain

The Other Side Of A Fast Food Soda Fountain

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#47

The Inside Of This Golf Ball Looks Like A Boiled Egg

The Inside Of This Golf Ball Looks Like A Boiled Egg

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#48

Accidentally Cut Open A Cheap Kid's Baseball With My Lawn Mower

Accidentally Cut Open A Cheap Kid's Baseball With My Lawn Mower

Jamchampnate2000 Report

#49

The Inside Of An IKEA Desk Top

The Inside Of An IKEA Desk Top

Insanim8er Report

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Arunika R.
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Fun fact: this structure allows almost the same strength if the desk was fully filled and uses a lot less material! It's used in most cardboards.

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#50

Inside Of The Dinosaur's Bone

Inside Of The Dinosaur's Bone

Proteon Report

Note: this post originally had 127 images. Itā€™s been shortened to the top 50 images based on user votes.