Stubborn candle. Effective trick and its solution

EFFECTIVE FOCUSES AND THEIR CLUES
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Stubborn candle. Focus Secret

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

Focus Description:

Put four white cylinders of the same height on top of each other. A "candle" was formed. Light it from above (Fig. 1). After that, starting from the top, knock out the cylinders to the side - one at a time. When the top one flies off, the candle will continue to burn, but on the cylinder below. The next falls, and the candle continues to burn.

Focus Stubborn Candle

Focus secret:

What's the secret? All wooden cylinders have a narrow vertical slot on one side. It reaches exactly to the center (Fig. 2). When the cylinders are folded, the slot should be on the same straight line, on the opposite side from the audience. A "secret" wick is inserted in the center of the upper cylinder. It is made of thin wire and is slightly longer than one cylinder in size.

The top of the wick has a small round plate that prevents the wick from falling down (Fig. 3). A piece of cotton wool soaked in kerosene is wound on the tip of the wick. When the upper cylinder pops up after a finger strike to the side, the wick, dropping lower, will occupy the next cylinder. And the "candle" will continue to burn.

Author: V.Postolaty

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Mind on vacation 13.08.2021

Many researchers agree that, from a biological point of view, one of the main reasons for increased cognitive flexibility is stress reduction. We will not deny that work tests our nerves for strength, but it turns out that, within reason, stress is even useful. It is he who activates the mechanisms that help us perform daily activities, as if motivating and urging us. This is the so-called eustress, which is translated from ancient Greek as "good." But negative stress - distress - is always negative, because it can take a chronic form, bringing with it all sorts of diseases. Distress occurs when irritability is prolonged, pressure increases, fatigue, increased anxiety, sadness and even anger appear.

Therefore, the main thing that a good vacation can do for our health is to reduce the level of chronic stress. Idleness in reasonable amounts helps the brain to relax and reverse all negative effects. Doctors also advise to increase sleep time on vacation and change the emotional environment. That is, if there is noise and din at work, it is worth making silence at home, stop continuing to answer calls and letters and deal with work matters.

Another key to total peace and perfect relaxation is to enjoy the wait. Why do we like waiting for something good so much? Ask dopamine, which is produced in the neurons of two areas of the midbrain: in the substantia nigra, it is responsible for muscle tone, and in the ventral tegmental area, it is involved in the reward system of the brain. Both areas contain up to 600 neurons that transmit signals to other areas of the brain. Dopamine is released and causes pleasant sensations at the thought of a future vacation or other reward for work. For a vacation to go well and not stressful, you need to constantly be surprised, get to know something new and, of course, visit unknown places. And in the evenings, neurologists recommend pampering yourself with unusual dishes.

That's just stress can break the ability to be surprised. The study shows that the high levels of stress that many face during the workday reduces the amount of dopamine released and alters metabolism. The worst thing is that the consequences can spread throughout the brain, especially in those areas where the substantia nigra and the ventral tegmentum send their signals. Korean scientists also proved that chronic stress can change the number of dopamine receptors. And this already leads to the development of depressive disorders and other mental disorders.

Thus, a stress-free vacation will help rebalance the dopamine system.

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