An inventor created a fridge-freezer

You can look down on many things but never underestimate the power of creativity and human nature. Ben Krasnow is the owner of the YouTube Applies Science channel. His YouTube channel often talks about technological innovations and how they apply to life.

He discovered that when you stretch the elastic band, its temperature rises, and when you hold it for a moment then release the elastic band colder than the initial temperature.

Picture 1 of An inventor created a fridge-freezer
The elastic band changes temperature when stretched and elastic.

Krasnow relied on this information and used wooden gears and pulleys to create a mini refrigerator. He uses SolidWorks software to create 3D CAD drawings of the refrigerator. After that, Krasnow used precision cutters to cut the way out. On the screen the cutter will display the image that Krasnow set, but cutting the components is still a huge challenge.

Picture 2 of An inventor created a fridge-freezer
Model cooled by elastic band.

The elastic bands are connected to the gears and stretched to the outside of the cabinet and then resuspended into the cabinet. A fan inside will blow cool air from the elastic band around the cabinet, and outside will have another fan to cool the elastic band.


Refrigerator with elastic band.

By using a thermometer camera to view outside and inside temperature changes, it can be seen that Krasnow's "refrigerator" does not really change the internal temperature significantly, only 25 degrees Celsius compared to 27 degrees. out. Since wood is not a good insulator and elastic bands produce only a small amount of cool air, this of course is not a perfect idea for true air conditioning.

Even though it is not possible to make eye contact with something you like, such as beer or food, the best thing is that this mechanism proves that the elastic band can be cooled down a little. In the future, this idea could be improved to become a better cooling device.