Science & Technology

Most 20 Common Misconceptions Everyone Wants You To Believe

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Don’t you just hate it when you are 100% certain that some fact or commonly held belief is true only to find out years later it isn’t?

Well hang on to your britches because we are about to give you 25 misconceptions that most people believe to be true, but sadly are not. While some of these are may have some truth in them, it’s probably less than you thought.

So from the true inventor of the light bulb to a commonly held misconception concerning Mac books, these are 25 Misconceptions Everyone Wants You To Believe.

Table of Contents

1. Thomas Crapper invented the flush toilet

Thomas Crapper invented the flush toilet
Source: wikipedia, Image: wikipedia

Flush toilets were actually used in the Indus Valley Civilization as early as the 26th century BC

2. Thomas Edison invented the light bulb

Thomas Edison invented the light bulb
Source: wikipedia, Image: pixabay

There were actually more than 20 inventors who invented the incandescent lightbulb before Thomas Edison.

3. The sun is yellow

The sun is yellow
Source: wikipedia, Image: pixabay

If you saw the sun without the interference of our atmosphere you’d realize that it’s actually white.

4. If the sun turned into a black hole we would all get sucked in

If the sun turned into a black hole we would all get sucked in
Source: wikipedia, Image: wikipedia

If the sun turned into a black hole the orbits of the planets would mostly be unaffected because black holes don’t automatically just suck everything in.

The sun’s gravity would continue working as it does now except that at really close distances you would not be able to escape its pull.

5. Einstein failed math

Einstein failed math
Source: wikipedia, Image: wikipedia

Not even close. He aced in math. In fact, he was a pro at calculus and differential equations before he even turned 15.

The rumor most likely started because he failed his first attempt on the entrance exam for the Swiss Federal Polytechnic School.

Keep in mind, however, that he was two years younger than everyone else. And oh yeah, he definitely passed the math section with flying colors.

6. The accused at the Salem Witch Trials were burned at the stake

The accused at the Salem Witch Trials were burned at the stake
Source: wikipedia, Image: wikipedia

15 died in prison, 19 were hanged, and 1 was pressed to death. Exactly 0 were burned.

7. People thought the Earth was flat during the Middle Ages

People thought the Earth was flat during the Middle Ages
Source: wikipedia, Image: wikipedia

Ever since the times of Plato and Aristotle, which was almost 300 years BC, have people know that the Earth is in fact a sphere.

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8. The blood in your veins is blue

The blood in your veins is blue
Source: wikipedia, Image: wikipedia

Yes, people do actually believe this, just ask your friends. And no, deoxygenated blood is more like a really, really dark red.

9. The Earth revolves around the Sun

The Earth revolves around the Sun
Source: wikipedia, Image: wikipedia

Actually, the Earth is revolving around the solar system’s center of mass. Its technical name is the barycenter.

10. Daddy long legs are the most venomous spider but the shape of their mandibles renders them incapable of biting humans

Daddy long legs are the most venomous spider but the shape of their mandibles renders them incapable of biting humans
Source: wikipedia, Image: wikipedia

Daddy long legs are in fact capable of piercing human skin but they are not very venomous at all. The venom will cause a slight burning sensation at worst.

11. Gum takes 7 years to digest

Gum takes 7 years to digest
Source: wikipedia, Image: wikipedia

You can’t digest gum. It just passes through your body.

12. Fortune cookies were invented by the Chinese…or maybe the Americans

Fortune cookies were invented by the Chinese...or maybe the Americans
Source: wikipedia, Image: wikipedia

It was neither. Fortune cookies were brought to the US by the Japanese.

13. Henry Ford invented the automobile and the assembly line

Henry Ford invented the automobile and the assembly line
Source: wikipedia, Image: wikipedia

He invented neither. Karl Benz is typically considered the inventor of the modern car and the assembly line had been around for a while already.

Henry Ford just pulled a Thomas Edison and improved everything enough that people wanted to buy it.

14. People with photographic memories remember things as though they are a picture

People with photographic memories remember things as though they are a picture
Source: wikipedia, Image: pexels.com

If you’re friend ever tells you that he or she has a photographic memory then chances are that they are either lying or exaggerating.

There is no evidence to prove the existence of photographic or eidetic memories. They’re just really good at using mnemonic devices.

15. Planes eject their toilet waste into the air

Planes eject their toilet waste into the air
Source: wikipedia, Image: pixabay

They don’t. At least not intentionally. Older passenger trains on the other hand have typically flushed directly onto the tracks.

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16. Sunflowers always face the sun

Sunflowers always face the sun
Source: wikipedia, Image: wikipedia

In a way this is true…but only before the flower heads are open! After that they face east all day long.

17. Eating sugar gives you a blast of energy…sugar rush!

Eating sugar gives you a blast of energy...sugar rush!
Source: wikipedia, Image: wikipedia

While eating any food will cause you to have a spike in energy, according to scientists the mythical “sugar rush” is just a placebo effect. It’s like the high school kid who feels a little buzz from drinking and acts as if they’re totally wasted.

18. Each side of your brain has a different function (language, math, etc)

Each side of your brain has a different function (language, math, etc)
Source: wikipedia, Image: wikipedia

This is a classic belief in “pop” psychology. Both sides of your brain do everything to some extent. Of course, certain functions may be more represented on one side, but even this varies from person to person.

19. Chameleons blend in with their surroundings

Chameleons blend in with their surroundings
Source: wikipedia, Image: wikipedia

Chameleons only change color to communicate. It has nothing to do with their surroundings.

20. People that are drowning wave their hands and struggle

People that are drowning wave their hands and struggle
Source: wikipedia, Image: wikipedia

Someone could drown 2 feet from you and you would never know it. In fact, people often mistake drownings for someone just playing in the water.

Time to learn about the instinctive drowning response. You could save a life.

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Francis Pettit is a doctor in experimental journalism in the sciences of volcanology. He tends to write about the most bizarre scientific tales, from eruptions and hurricanes to climate changes and diamond-rich meteorites from destroyed alien worlds, but he's always partial to a little science of pop culture. In addition to Forbes, his work has appeared in National Geographic, Scientific American, IFLScience, Earther / Gizmodo, WIRED, Discover and others.

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