Sleight of hand. Effective trick and its solution

EFFECTIVE FOCUSES AND THEIR CLUES
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Sleight of hand. Focus secret

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

Focus Description:

The magician shows the audience three colored laces - red, yellow and green. He ties each lace with a ring and puts it on his left hand. Then he takes one ring and removes it from his hand, a second, a third stretches behind him ...

Focus secret:

To demonstrate the trick, you will need three laces 80 cm long and 5 cm wide. Cut one lace at a distance of 15 cm from the edge and sew on a clothes button. The audience, of course, should not know about this. When the magician puts the rings on his hand, he puts the ring with the secret first, and puts the other two rings on his hand so that they are on the button. Imperceptibly unfastens the button, throws a secret lace through the other two rings and fastens the button. Then he takes any ring without a secret and removes it from his hand - a chain is formed.

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Random news from the Archive

Hand dryers spread bacteria 05.05.2016

Everyone knows that regular hand washing is essential to protect yourself from a host of bacteria and viruses. And scientists from the University of Westminster (UK) decided to check how important it is to dry them properly after that.

Researchers have found that modern jet hand dryers are actually no better than "old-fashioned" hand dryers or paper napkins. The fact is that these devices, capable of quickly drying hands, at the same time carry bacteria with an air stream at a speed of 690 km / h at a distance of up to three meters. Studies have shown that jet dryers spread about 20 times more viruses than slower older models blowing warm air. And compared to paper towels, jet dryers spread 1300 times more viruses and bacteria!

During the experiment, scientists tested 3 methods of drying hands: paper towels, conventional hand dryers, and faster jet dryers. It turned out that jet dryers can spread viruses with a powerful stream of air at a distance of up to three meters, conventional warm air dryers - only 75 centimeters, and hand wipes - only 25 centimeters. However, experts from Dyson, which produces the Airblade jet dryer, disagreed with the test results.

First of all, they did not like the experimental methodology, according to which the British "soiled" their hands in a solution with viruses, and then dried them using one of three methods. Dyson believes the study was lobbied by paper towel manufacturers and conducted in artificial environments with unnaturally high levels of viral contamination, and people routinely wash their hands with soap and water before using the dryer.

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