Flying upside down. Fun physical experience at home

ENTERTAINING EXPERIENCES AT HOME
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Flying upside down. Physical experiments

Entertaining experiments in physics

Entertaining experiences at home / Physics experiments for children

At air parades and exercises, pilots in their cars show a figure first performed in 1913 by the Russian pilot Nesterov, who then surprised the whole world. This complex figure began to be called "Nesterov's loop".

Make a model that clearly shows the course of the aircraft when performing this figure. Sometimes in circuses, on motorcycles or bicycles, artists also show flying upside down on a structure of the same type. The main parts of the model: base (L), two racks (B, C), spiral (C).

Flying upside down

To make a spiral, take a piece of cardboard or thick paper 500 mm long and 40 mm wide. Bend on each side the sides 10 mm wide. Leave a 20mm wide groove in the middle. Pre-cut the folded edges after 5 mm and roll the gutter into a spiral with one turn. Set the turning diameter to 130 mm. Make the straight parts of the gutter and glue it on both sides of the spiral. A ball corresponding to the size of the chute should be launched from the very top of the model. The ball will run from one end of the chute to the other, making a loop in a spiral (C). It, as in the previous experiment with a rotating bucket, is reliably pressed against the track of the chute by the action of inertia.

The law of inertia keeps the spinning top from falling, provides stability to the bicycle, and the stability of the inclination of the axis to the plane of its orbit for the globe.

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Random news from the Archive

pokemon electromagnetic gun 04.10.2012

In 1997, the most popular animated series about Pokemon was shown on television - fictional intelligent animals with unusual abilities. Recently it became known that the US military was seriously carried away by the children's cartoon. In 1998, the US Army Intelligence Service proposed to scientists to develop an electromagnetic emitter that would "overload" the brains of the enemy and make him convulse.

The fact is that a rather unpleasant incident occurred in the history of Pokemon: on December 16, 1997, during the show of the animated series about Pokemon on Japanese television, about 700 viewers experienced symptoms of epilepsy. Due to the excitation of the optic nerve by specific signals (according to the authors of the cartoon, the image is too bright and dynamic with frequent flashes), hundreds of viewers felt nauseous and experienced an attack of vomiting.

According to a declassified Pentagon document, electromagnetic pulses have the potential to cause neurons to emit erratic, frequent signals, resulting in "impaired muscle control." According to the military, the vast majority of people are not able to resist the effects of such an induction gun.

It should be noted that the idea of using electromagnetic radiation to disrupt chemical pathways in the central nervous system looks very dangerous. This weapon is supposed to induce a nervous attack similar to an epileptic one and act on the enemy through visual signals or invisible electromagnetic beams.

The idea is that a specific electrical signal from the optic nerve triggers the excitatory mechanisms of the nervous system. The US military wanted just such a weapon and added that it should act on 100% of people from a distance of up to hundreds of meters. At the same time, the "Pokemon gun" should incapacitate a person as quickly as an epileptic seizure (in 3-5 minutes) and have a similar effect, that is, a complete loss of muscle control and a temporary disorder of consciousness.

The document emphasizes that the loss of working capacity of the human nervous system under the influence of an electromagnetic pulse has not been verified. However, the analysis suggests that electric field strengths of 50 to 100 kV/m are likely to be "sufficient to trigger neural activity: Thus, such a weapon can work even at a distance of hundreds of kilometers."

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