Where did what come from? Effective trick and its solution

EFFECTIVE FOCUSES AND THEIR CLUES
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Where did what come from? Focus Secret

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

Focus Description:

The magician shows the audience an ordinary box. Opens it - there is nothing in it. He closes the drawer, opens it again and... takes out a toy from the drawer.

Focus secret:

The secret of the trick, of course, is in the design of the box.

The back wall of the box rotates around the central axis. From below, to the outer side of this wall at an angle of 90 degrees, a semicircle is attached, on which the toy stands. Showing an empty box and closing it, you imperceptibly for the audience turn the back wall 180 degrees. The semicircle with the toy is inside the box. Now you need to open the box and show the audience its magical possibilities.

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Latest news of science and technology, new electronics:

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. ... >>

Advanced Infrared Microscope 02.05.2024

Microscopes play an important role in scientific research, allowing scientists to delve into structures and processes invisible to the eye. However, various microscopy methods have their limitations, and among them was the limitation of resolution when using the infrared range. But the latest achievements of Japanese researchers from the University of Tokyo open up new prospects for studying the microworld. Scientists from the University of Tokyo have unveiled a new microscope that will revolutionize the capabilities of infrared microscopy. This advanced instrument allows you to see the internal structures of living bacteria with amazing clarity on the nanometer scale. Typically, mid-infrared microscopes are limited by low resolution, but the latest development from Japanese researchers overcomes these limitations. According to scientists, the developed microscope allows creating images with a resolution of up to 120 nanometers, which is 30 times higher than the resolution of traditional microscopes. ... >>

Air trap for insects 01.05.2024

Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>

Random news from the Archive

Identification of a person by blood vessels 09.01.2021

Japanese companies have developed a method for identifying a person by the image of blood vessels. They want to use it for making contactless payments and registering at hotels.

Normee has introduced a system that allows you to recognize a person by the lines and shape of his blood vessels. For such identification, an ordinary photo taken on a smartphone is sufficient.

A similar invention was presented by another Japanese company - Hitachi. This company proposed to identify a person by blood vessels on the fingers. However, for this smartphone is not enough - you need a special device.

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