The card rises from the deck. Effective trick and its solution

EFFECTIVE FOCUSES AND THEIR CLUES
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The card rises from the deck. Focus Secret

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

Focus Description:

You ask someone to go and put a card on the table or look at a card already placed there. The spectator fulfills your request and wants to return to the place, but you stop him. "No, dear, this is not possible. I would like everyone to see what kind of card it is. Be kind enough to put it on the table facing the audience so that everyone can see it well."

Focus Card rises from the deck

After these words, the viewer looks at you with surprise and, finally, says that he cannot do this. "How, you can't do such a simple thing?" - you are perplexed. "Let me" - and, taking the card from him, you place it vertically on the table, leaving it to stand without any visible support. Taking the card from the table again, you serve it to the spectators to show that it is an ordinary card and, having received it back, put it on the table again, but on the other side, or, if the spectators want it, invite them to choose the card that you put with the same ease.

Focus secret:

The secret of this trick is in a rather small and simple device. This is just a piece of thin sheet brass about 3 cm long, bent at an angle less than a straight one, about 85 degrees. A thin layer of wax is applied to the outer side of the long part, and a small plate of lead, about 3 mm thick, is soldered to the inner surface of the short knee. When performing the trick, you hide this small device in your right hand, so that the long knee is on the index and ring fingers, and the short one is directed to the little finger.

Taking a card with your left hand, you shift it to your right and take it so that your thumb holds it in front and the rest of your fingers behind. When you put it on a table, which is desirable to cover with a tablecloth, then press the wax side of the stand against it. When you need to remove a card from the table, you remove it with the same hand and, shifting it to the other, you can easily remove and hide a small stand between your fingers.

Author: Louis Hoffmann

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Salt heating 08.12.2001

Located in the suburbs of Frankfurt am Main (Germany), a large plant of the chemical company "Hoechst" produces medicines, chamfers, plastics, food additives. It also generates a lot of waste heat.

Until recently, heated air was simply thrown into the atmosphere, hot water was cooled (which used a lot of energy) and dumped into the Main. Now excess heat is transported to the city in thermoses and used to heat the administrative building with an area of 17 square meters, which employs about 600 people.

Thermally insulated containers contain sodium acetate - a salt that melts at 58 degrees Celsius and accumulates a large amount of heat in the process. Cooling down, the salt melt heats the water in the heating system of the building. Depending on the weather, five or six containers are delivered per day, one is enough for the night. Cooled thermoses are taken back to the plant and again "charged" with heat. 400 thousand liters of liquid fuel are saved per year.

And the University of Nottingham (England) proposed a cooling system based on the same principle. The heat from the heated air is pumped into containers with solid sodium sulfate, it melts, and the temperature in the rooms drops by 2 - 3 degrees. For a relatively cool English summer, this is enough. Energy saving compared to a conventional air conditioner - 16 times.

In different countries, pocket heating pads and refrigerated salt packs have long been produced, charged with cold or heat in hot water or a refrigerator.

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