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Can You Boil Water Just By Mixing it Really Fast? Water-Stirring Challenge Accepted!

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Published on Nov 20, 2017

In this video I see what happens if you stir or mix water really fast. Does the temperature increase because of water friction? If so, can we actually get the water to boil just from mixing it? First I test it by hand then I see how it compares to using more power such as a Blendtech blender.

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Comments • 795

The Action Lab
Pinned by The Action Lab
I'm already seeing a lot of comments that the heat is from the blades being hot from the motor. These motors are designed to have as little friction as possible but there is some heat generated by the bearings in the blade. But don't worry, a better experiment was done than this with a spinning paddle wheel with no motor and the results were the same. The Joule paddle wheel experiment!
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Experimental Fun
now put some eggs in there and see if it makes scramble eggs :)
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Johnnickolas24
I don't understand why it hurts when you bite your tongue by accident and it doesn't hurt when you bite it on purpose. I also don't understand why you are biting your tongue right now.
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2 8
Haven’t finished the video yet, but just wanted to let you know that you’re awesome. 😊❤️
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random thought
Enjoy your big electricity bill this month lol 😂
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Inspektical
Can you nut in a vacuum?
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WISHY
here isthething thought it might getting hotter from the blades themselves heating up from movement which heats up the water
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MrFmiller
Is it possible to determine elevation by the boiling point of water?
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Mohammed Al
After the last test why the bubbles came from underneath the blades ? that tells me that The heat came from the motor .
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Daniel Rizo
Why u using Farenheit?
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XXTechMoXX `
I haven't seen anyone else comment this but don't you think the water is heating up mostly by the heat of the motor??
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Fat Boo
I wonder how much heat came from the friction in the water and how much came from the bottom ball bearing. Looking at the video it seems the bubbles from the boiling water come from the ball bearing.
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Ermos Cimpoesu
Does a liquid with higher viscosity heat up faster?
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Solidatermx
Thick or viscous fluids heat up faster.
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Hatch the Asparagus
You should get one of those inflatable kid pools and fill it with ooblek And see how slowly you can walk across it
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Titus Tripon
Is sand called sand because is between the sea and the land?
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Ashamoo Smith
Spins at 310 MPH? You mean rpm
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rituraj phukan
The experiment is not a conclusive one. It has a major flaw. The system is not adiabatic. The blender blades are always metal and are connect directly to the motor (may have some non metals between the joint of the jar and the motor, but not necessarily an insulator). Blenders get hot all by themselves if you leave it on. This is due to the dessipation of heat from the current flowing in the wires of the motor. You should have just kept the motor running all by itself to see how much heat it produced per unit time for constant voltage and speed setting. Then should have added the water and subtracted the values from the observations. The blades should have been made of something that is non conductive and the system should have been made more laboratory like by eleminating external source of heat. The heating up the water although seems logical, the experiment doesn't provide a conclusive result.
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JustLink
The blender probably just heated up and transferred it to the water
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Tom Van Malsen
the bearing gets hot so the water gets hot to
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