The strange reaction that makes the grapes spark in the microwave

A group of physicists from Trent University studied why this effect occurs when a grape is placed in a microwave oven.

To perform this experiment, you only need one grapes and a microwave. It is recommended not to do this without the supervision of an adult, but it is very simple. You must first cut a grape in half and then put it in the microwave.

Once this starts, orange sparkles from the grapes begin to appear and larger chips are made if the grape is placed inside a clear glbad returned. But why does this effect occur?

"Because of its composition and size, grapes They can "trap" the microwaves in the interior. In addition, when you combine two grapes, these trapped microwaves can "jump" between them and generate a "hotspot" between them. At this point, the electromagnetic field of the microwaves is greatly amplified and, if it is activated for a sufficient time, it can give energy to the grape ions and create the plasma, "says Pablo Bianucci , one of the authors of the badysis.

"The two cut hemispheres have a hot spot in the contact zone, which is enough to form an ionic field with sodium and potbadium (which are abundant in the skin of the grapes), which eventually ignites the plasma," the researchers write. Trent University.

This experience is an absolute hit on YouTube because the videos of different people testing the effect of the grapes They have millions of visits. Once the microwave is turned on, you only have to wait a few seconds for it to start working and sparking. It is important to remember that when the grapes are cut in half, they are not cut completely and they stay in contact with the skin.

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