Tricky match. Effective trick and its solution

EFFECTIVE FOCUSES AND THEIR CLUES
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Tricky match. Focus secret

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

Focus Description:

Remove four matches from the box, insert two of them on the sides between the drawer and the lid, strengthen the third between them, and set fire to the fourth in the middle. Ask the viewer which end of the match will light up first - the corner with one head, or the corner with two heads?

Focus Tricky Match

Focus secret:

Whatever the viewer tells you, he will be mistaken, because before the fire reaches the end of the match, the middle of it will burn and the elastic matches bent to the side will shoot with force the halves of the burnt match, which will immediately go out from the push.

Author: Kuptsova O.

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Machine for thinning flowers in gardens 02.05.2024

In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers. ... >>

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Random news from the Archive

Sound waves are the carrier of mass 17.03.2019

Scientists from Columbia and Pennsylvania Universities have been researching issues related to the behavior and dispersion of sound waves propagating in a superfluid liquid, liquid helium. The first of their experiments showed that sound has a non-zero mass value and, due to this, its movement falls under the influence of the global gravitational field, the force of gravity in this case.

The level of effects discovered by scientists is so small that its manifestations cannot be felt on Earth in any way, they can manifest themselves in very extreme conditions, when the generated stellar "roar" moves in the environment of extremely dense objects, such as neutron stars. And then the effects of the interaction of powerful sound waves with the strongest gravity of space objects can significantly affect the processes occurring in this region of space.

While scientists have confirmed the possibility of sound waves having mass under extreme conditions, they are now preparing a series of experiments that should confirm that phonons, sound particles, have mass under normal conditions. All this contradicts the existing theory, according to which phonons have no mass and gravitational fields do not affect their motion in any way.

The key to solving the problem described above will be the study of phonon propagation in a medium with given parameters. In an ideal medium, the motion of phonons and the transfer of momentum of motion can be described as one of the forms of linear dispersion, which, according to theoretical calculations, gives the phonons a non-zero mass. But in the reality that scientists have to face, everything is much worse, real particles and liquids are far from ideal, they obey a host of other physical laws, interact and have a mutual influence on other nearby objects.

The mass that scientists are going to find in the phonon is very small. It is in the same range as the amount of energy of a photon of light divided by the square of the speed of light, in other words, this mass is very, very small. Unfortunately, far from all the theoretical calculations and confirmations put forward by scientists have been tested in practice, for this it will be necessary to measure gravitational changes at the level of individual atoms cooled to a temperature close to absolute zero. This will become possible in the near future, only recently have scientists been able to experiment with Bose-Einstein condensates in space.

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