A Laser Can Get Trapped In Water - Deepstash
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A Laser Can Get Trapped In Water

A Laser Can Get Trapped In Water

Yes, really. A cool thing called total internal reflection is applied when pointing a laser beam through a container of water. When light travels through water, it’s slowed by the heavier particles in water,as described here. Thus, the laser beam effectively gets “trapped” in the water.

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783 reads

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We have no idea what most of the universe looks like

We have no idea what most of the universe looks like

About 96 percent of the universe is made up of dark matter and dark energy, which are undetectable to humans. Scientists believe this is because the particles that make up these substances don’t interact with regular matter or light. Even though scientific discoveries are constantly being made ab...

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600 reads

Soil is alive and well

Soil is alive and well

In just one teaspoon of soil, there are more microorganisms than people on the planet, said the U.S. Department of Agriculture. “Millions of species and billions of organisms—bacteria, algae, microscopic insects, earthworms, beetles, ants, mites, fungi and more—represent the greatest concentratio...

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723 reads

Bananas Are Radioactive

Bananas Are Radioactive

For one of our strangest science facts, bananas contain potassium, and since potassium decays, that makes them slightly radioactive. But this is one of those fun science facts you don’t need to worry about. You’d need to eat 10,000,000 bananas at once to die of radiation poisoning, Forbes reports...

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733 reads

Men are more likely to be colourblind than women

Men are more likely to be colourblind than women

The genes responsible for the most common type of colourblindness are found on the X chromosome, the National Eye Institute explains. Even if women have the genes on one of their two X chromosomes, a properly functioning gene on the other one makes up for that loss. If men inherit the gene on the...

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509 reads

The human stomach can dissolve razor blades

The human stomach can dissolve razor blades

On the rare occasion that you swallow a razor blade, don’t fret. The human body is more capable than you think. Acids are ranked on a scale from 0 to 14—the lower the pH level, the stronger the acid. Human stomach acid is typically 1.0 to 2.0, meaning that it has an impeccably strong pH. In a stu...

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996 reads

Only Two Letters Don't Appear In The Periodic Table

Only Two Letters Don't Appear In The Periodic Table

The letters J and Q don’t appear anywhere on the periodic table. Go ahead and double check. We’ll wait.

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830 reads

You Can Make Balls Fly

You Can Make Balls Fly

If you spin a ball when you drop it, it will fly through the air as it falls. This is called the Magnus effect, and it makes playing tennis and soccer a whole lot easier.

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735 reads

A cloud can weigh over a million pounds

A cloud can weigh over a million pounds

Your childhood dreams of floating on a weightless cloud may get rained on with this fact: the average cumulus cloud can weigh up to a million pounds. A million pounds! That’s about as heavy as the world’s largest passenger jet.

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688 reads

Hot Water Freezes Faster Than Cold Water

Hot Water Freezes Faster Than Cold Water

This fact seems counterintuitive, but it’s called the Mpemba effect, after a Tanzanian student named Erasto Mpemba who told his teacher than a hot mixture of ice cream froze faster than a cold one. Scientists now believe this is because the velocities of water particles have a specific dispositio...

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658 reads

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debapriyo17

I'm interested in the Unknown | 📚 Bookworm | 🎨 Creative soul | 🌌 Explorer of the Beyond. (άλθος) ♡

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