Fun duel. Fun physical experience at home

ENTERTAINING EXPERIENCES AT HOME
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Fun duel. Physical experiments

Entertaining experiments in physics

Entertaining experiences at home / Physics experiments for children

This is the most fun pendulum experience ever.

Drive two nails side by side. Bend two pieces of sufficiently rigid wire at a right angle so that a ring is formed at the fold. Put these rings on nails. Insert the lower ends of the wires into two identical potatoes. Pierce them through and fold them over so the potatoes don't slip off.

If you now swing the right potato, it will hit the left one and stop. And her movement will be transmitted to the left. Now the left potato will swing like a pendulum, then it will return and - fuck! Hit on the right. So they will swing in turn, until the movement gradually fades.

Merry duel

What's so funny here, you ask? Now you will see. Cut out figures of two fencers from thick paper and glue them to the upper ends of the wires with sealing wax or BF-2 glue. Now swing one of the potatoes and enjoy the fun duel. Paper opponents will take turns violently attacking each other. But none of their attacks will reach the goal!

Author: Galpershtein L.Ya.

We recommend interesting experiments in physics:

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Juggler - intellectual specialty 02.12.2004

Until now, scientists believed that the adult brain does not grow, and from a certain age even decreases due to aging.

Researchers from the Universities of Regensburg and Jena (Germany) proved that this is not the case. The experimenters divided a group of 24 young men and women with a mean age of 22 into two equal subgroups. Members of one of them were taught to juggle for three months, the other did nothing.

With the help of magnetic resonance imaging, the brain sizes of the subjects were compared before and after learning to juggle. It turned out that the trainees clearly increased the layer of gray matter (that is, neurons) in the left posterior sulcus in the cerebral cortex, located between the upper and lower lateral lobes of the brain. It is believed that this area perceives the movements of objects in three-dimensional space.

In the control subgroup, which was not trained in juggling, such an increase in gray matter was not found. True, after the jugglers stopped training, the additional neurons they acquired disappeared again.

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