Focus with folding box. Effective trick and its solution

EFFECTIVE FOCUSES AND THEIR CLUES
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Focus with folding box. Focus secret

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

Focus Description:

The magician shows a completely empty box and immediately begins to extract various objects from it. For the demonstration you will need: a box with a secret compartment, handkerchiefs, ribbons, etc.

Focus secret:

Load the secret compartment of the box in advance with items that can fit in it. Pick up the box by the open lid where the items are hidden. To convince the audience that the box is empty, stick your hand through it and wiggle your fingers. Now close the box and lay it secret compartment down. Make a few passes with the wand, open the top flap of the box and start removing items.

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Random news from the Archive

Microbes in a squirrel wheel 16.01.2007

Nanotechnologists are looking for suitable sources of driving force for nanomechanisms in the near future. Yuichi Hirasuka from the University of Tokyo has created a motor that runs bacteria.

The bacterial engine consists of two parts: an annular groove etched into silicon and a 20-micrometer-diameter star-shaped silicon dioxide wheel resting on it. Under each ray of the sprocket there is a barrier lowered into the groove. In a straight groove (visible at the bottom left), harmless Mycoplasma mobile bacteria are launched into this wheel, which are distinguished by their high crawling speed - almost two centimeters per hour (this is really very fast, since the length of the bacterium itself is one micron).

Moving along the annular groove, the bacteria push the shutters and turn the wheel at a speed of up to 2,5 revolutions per minute. You just need to feed them glucose.

True, the power of a bacterial motor is 10 thousand times less than an electric motor of this size would have. But scientists hope to increase it. But, since the bacteria multiply, the engine turned out to be self-repairing.

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