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Ball transformation. Focus secret

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

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Focus Description:

The magician takes a large ball from the table. In order for the audience to be convinced that this ball is solid, solid, he rolls it across the floor of the stage. Then he picks it up and, as if by accident, drops it at the table. To the amazement of the audience, the ball, not reaching the floor, breaks up into many small hard balls, scattering around the stage with a fractional knock.

Focus secret:

Behind the table is a special sideboard. The ball falls on him, opening a special latch with his weight. The sideboard frees the small balls and they fall to the floor. And the fact that these balls were previously hidden in the sideboard, the audience, of course, does not know.

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Random news from the Archive

Different types of trees affect the climate in different ways. 12.02.2016

Increasing the area of ​​planted forests will not slow down global warming - the type of trees, their ability to absorb carbon dioxide and the impact on local air temperature are of great importance. Two research groups came to these conclusions. The reports of scientists from France and Germany and from Italy are published in the journal Science.

According to the data given in the article of the first group, from 1750 to 1850, approximately 190 thousand square kilometers of forests were cut down in Europe - for fuel and to clear the land for agriculture. Since then, forests have been reforested over twice the area, but conifers have been planted instead of deciduous trees in large areas, as this is more beneficial to logging interests. And it turned out that today the forests of Europe hold about 3,1 billion tons less carbon than in 1750.

Also, the modeling done by the researchers showed that the air temperature also changes - by about 0,12 degrees Celsius due to the better ability of conifers to absorb and retain heat. The model suggests that a preference for dark conifers, which absorb more sunlight and release less water, contributed to local warming.

The authors of the second study concluded that forests in all types of climates cool the air, especially during the summer months. The study used satellite data to reconstruct changes in air temperature in areas that were cleared of forest from 2003 to 2012.

Scientists believe that national authorities should take into account local features and the biophysical impact of forests on the atmosphere, instead of focusing solely on the global effects of carbon dioxide emissions.

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