Random Science

2/27/2021

A New Way To Drink Water With Your Hands

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In the video below, I describe a new way to drink water with your hands. It involves first forming a cup shape using both hands to hold the water. The next step is curling the fingers of the hand mostly responsible for the side of the cup into a fist, which forces the water up. Finally, at the same time that the fist is made, you bring your mouth to the opening of the cup and suck creating a low pressure area inside your mouth. This will result in the atmospheric pressure pushing the water into your mouth. The water held between your hands is roughly enough for a mouthful.

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2/19/2021

Arc Attack and the Musical Tesla Coils

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In the video below, the musical group Arc Attack performs their version of the song Derezzed by Daft Punk using Arc Attack’s signature musical tesla coils. The electric discharges from the coils produce the music you hear in the main part of the video, and that suit the performer is wearing when he stands between the coils, called a Faraday Suit, is the only thing preventing him from being electrocuted.

In the next video, Joe Hanson from the YouTube channel It’s OK To Be Smart teams up with Dianna Cowern (Physics Girl) to explain the science behind Arc Attack’s unique brand of art.

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2/12/2021

What Would Happen if You Try To Catch a Baseball Travelling at 1,000 Miles Per Hour?

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I have previously posted a video where Destin and his crew from the YouTube channel SmarterEveryday built a supersonic baseball cannon. In the video below they use the cannon to shoot a baseball at a boxing mannequin, and they try to catch the ball with baseball gloves. See what happens!

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2/6/2021

The Remarkable Anamorphic Illusions

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Anamorphic illusions are images that require the viewer to see them from a certain vantage point in order for the image to not appear distorted. These illusions exploit the fact that our brain interprets reality based on spatial and geometrical cues. Some anamorphic images have elements that appear to be the same size when this is not the case. A common example of this type of images is the text of road markings which employ an anamorphic design because the driver views them from a very acute angle when approaching them.

A striking historical example of anamorphic images are the photos of soldiers forming patriotic symbols that photographers Arthur Mole and John Thomas took during world war I as part of a campaign to sell war bonds. In the photo below, 18,000 soldiers were assembled to form an image of the statue of liberty. The anamorphic character of the image is evidenced in the fact that 12,000 of those 18,000 men were required just to form the flame part of the stature’s image.

Using the right spatial and geometrical cues, two-dimensional images can be made to look three-dimensional as long as they are viewed from a specific vantage point. In the video below, the folks from the You Tube channel bursspup construct an amazing anamorphic illusion using lit candles.

The image of the human statue of liberty by Mole and Thomas is in the public domain.

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rANDOM sCIENCE

A New Way To Drink Water With Your Hands

Arc Attack and the Musical Tesla Coils

What Would Happen if You Try To Catch a Baseball Travelling at 1,000 Miles Per Hour?

The Remarkable Anamorphic Illusions

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