Is the Water Cup Vacuum Trick Real or Just a Viral Video Hoax?

In summary, a popular YouTube video shows someone creating a vacuum with a piece of cardboard and removing a cup filled with water, leaving the water in the shape of a cup. This trick may not be replicable as it requires a small statue, cold medicine, and editing skills. It is likely a viral video for entertainment purposes.
  • #1
Emlett
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Homework Statement


I recently saw a youtube video in which someone filled a cup with water and created a vacuum with a piece of cardboard. Then, he transfers it to a table and removes the cup using a twisting motion. The end result is the water retaining the form of a cup. Is this actually possible? Also, can you explain why or why not?

Here is the link for the video:
Code: 
http://www.youtube.com/watch?v=7ctaA2mERzI

Homework Equations


The Attempt at a Solution


I was unable to find another video that showed a replication of the trick despite being the video being so popular. Also, I have noted that his other uploaded videos are demonstrations of his CG work.
 
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  • #2
Watch very closely at frames 1:46 to 1:48. You have to have a small statue of an elephant and a bottle of cold medicine nearby or the trick won't work. This is very obviously a viral video to see how much of a mess he can cause in the form of wet kitchen floors across the globe. Be sure to have a tiny elephant and some cold medication handy to prevent this from happening.

In addition, skills at splicing clips together, a little photoshopping, and casting very clear and cold ice inside a glass cup are a must. Above all, don't forget the twisting motion.
 
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FAQ: Is the Water Cup Vacuum Trick Real or Just a Viral Video Hoax?

1. What are the physical properties of water?

Water is a colorless, odorless, and tasteless liquid at room temperature. It is a polar molecule, meaning it has a slightly positive charge on one end and a slightly negative charge on the other end. This allows for hydrogen bonding between water molecules, giving it a high surface tension and the ability to dissolve many substances.

2. Why is water considered a universal solvent?

Water is considered a universal solvent because of its ability to dissolve a wide variety of substances. Its polar nature allows it to easily interact with other polar molecules, such as salts and sugars, and dissolve them. This property is essential for many biological processes and makes water a crucial component of our environment.

3. What is the boiling point and freezing point of water?

The boiling point of water is 100 degrees Celsius or 212 degrees Fahrenheit at standard atmospheric pressure. The freezing point of water is 0 degrees Celsius or 32 degrees Fahrenheit. These temperatures can be altered by changing the pressure, as well as adding substances such as salt or sugar to the water.

4. How does water behave differently as a solid, liquid, and gas?

As a solid, water molecules are tightly packed and form a lattice structure, making it less dense than liquid water. This is why ice floats on top of liquid water. As a liquid, water molecules are more mobile and can flow freely. As a gas, water molecules are far apart and have a high amount of energy, allowing them to escape into the air.

5. Why does water have a high specific heat capacity?

Water has a high specific heat capacity because of its hydrogen bonding. It takes a large amount of energy to break these bonds and raise the temperature of water. This property allows water to act as a buffer against temperature changes, making it essential for maintaining stable temperatures in our environment.

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