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Ex-NASA Engineer Turns Normal Sand Into ‘Liquid Soup’ And Here’s How He Did It

Mark Rober is the best uncle to his nephews!

Mark Rober, who worked as an engineer at NASA, found a way to make science more entertaining for everyone on YouTube. And his latest release was a video of a solid sand being turned into “liquid soup,” allowing it to behave like water. After leaving his job at the organization’s Jet Propulsion Laboratory, Rober turned to vlogging on the popular video-sharing website for science topics and other interesting DIY projects.

Nothing’s more interesting so far than his latest video, as he was seen dipping in a tub with sand that behaves like water. Rober’s liquid sand uses the concept of fluidized beds, “a physical phenomenon occurring when a quantity of a solid particulate substance is placed under appropriate conditions to cause a solid/fluid mixture to behave as a fluid.” In other words, large quantities of tiny, solid substances are transformed into liquid.

If you want your own liquid sand tub, Mark Rober's got you covered.

It's not even that complicated.

All you need is a container filled with sand…

Some PVC pipes…

and an air compressor.

When air is blowing from the bottom of the container, it increases the space between individual sand particles. Friction is reduced, as a result, and that causes the particles to move freely. Think of an air hockey table – its surface is frictionless when air is blown, allowing the puck to move freely.

Rober wanted to build a liquid sand tub for a long time. He made it clear that the concept is nothing new, but doing searches on the Internet for instructions was not successful.

He literally couldn't find anything online.

So he decided to build one by looking at patent drawings for industrial fluid beds.

Rober failed 25 times before getting things right.

But when he finally did it right, his nephews got to have all the fun.

Rober has won the best uncle title yet again.

Watching liquid sand is satisfying.

Watch the video below and see how you can make your very own fluidized bed.

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LifeHacks

Does Mango Make Your Mouth Itch? There’s a Weird Reason Behind It!

The condition is called “mango mouth.”

People who don't like mangoes are a rarity. With its delightfully sweet taste, soft texture, and vitamin content, the mango has become one of the world's most popular fruits. But there ARE people who shy away from eating mangoes, not because they don't like the taste, but because the fruit makes their mouths itch!

The condition is called "mango mouth," which produces an itchy and tingly sensation when the fruit makes contact with the mouth. This happens to people with mango allergy; their mouth can't tolerate the chemical called urushiol.

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Home & DIY

13 Unexpected Uses of Vinegar You Need to Know Now

You are welcome.

When we think about vinegar, the very first thing that comes to our mind is “salad.” But believe it or not, vinegar is more than just an everyday condiment. It offers plenty of health benefits and uses that most of us are not aware of. Heck, it can replace even the most expensive stuff you use at home.

Today, Elite Readers will present to you some of the most unbelievable uses of vinegar. From being a good beauty product alternative to daily cleaning ingredient, you will be surprised with its many uses. Check them out below!

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LifeHacks

The 400-Year-Old Mousetrap is Truly Brilliant In Its Simplicity

This is probably the simplest solution you have for a more humane way of catching mice.

If you have a mice problem in your house, you may find yourself in this classic dilemma - how to catch mice without killing or hurting them. The common mousetrap that all of us are surely familiar with is an effective tool, but the snapping motion can hurt the mouse real bad.

Now this really old mousetrap, we mean old as in 400 years old, is probably the simplest solution you have for a more humane way of catching mice. What makes it even more awesome is that fact that you need only two items that you will normally find in your kitchen.

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