Coin with vanishing side. Effective trick and its solution

EFFECTIVE FOCUSES AND THEIR CLUES
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Coin with a disappearing side. The Secret of Focus

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

Focus Description:

Borrow a coin from someone. Place it at the base of your thumb. Then tell the audience that you can make the back of a coin disappear and leave only one side. The audience is perplexed! And you calmly proceed: ask the audience, who have already come to their senses, which side of the coin you should make disappear.

Focus secret:

Let's say that you were offered to leave the "heads" and make the "tails" disappear. Then place the coin as stated above, with the “eagle” side up. Now quickly bend your thumb at the base into your palm. As a result, the coin will slide off the base and will be in the air for a moment. It is at this moment that you turn your hand palm down. At this time, the coin is still in flight above your hand. Bring your other hand under the coin to later catch the coin. The coin is now (still in the air) between your hands! and “Slam” it between your palms. It will seem to the audience that the coin and your palm have turned over, but in fact only your palm has turned over, and the coin remains on heads.

Give the audience a coin to check. She is the most ordinary!

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Random news from the Archive

High Speed Travel to Mars 26.01.2023

NASA has selected several new space projects for possible implementation in the future. Among them is the project of American scientists, which consists in using a new type of nuclear engine in a space rocket so that it can fly to Mars in 45 days.

NASA now has very far-reaching plans for space exploration, and therefore actively attracts scientists to develop new technological projects that can be implemented in space. Focus has already written about some of them, which concern, for example, the creation of an oxygen pipeline on the Moon and a new aircraft for flights on Titan. At this stage, NASA has selected 14 projects that initially received funding for further development. That is, this is only the first phase of the study, and only a few projects will go to the third phase.

NASA is going to blow up astronauts to the moon in a few years, and then at the end of the decade to begin construction of the first lunar base. The next stage in space exploration will be a landing on Mars, which may already take place in the next decade. Therefore, projects related to the Red Planet are of particular interest to the US space agency.

Among such projects is a new nuclear propulsion concept for a space rocket from Ryan Gosse of Florida State University in the US. In fact, the concept is not entirely new, although it is an innovative technology that may receive further funding. Back in the 20th century, the United States was already engaged in the creation of a nuclear thermal engine and a nuclear electric engine for space rockets. But these projects have not received further development.

Gosse proposed to combine two types of nuclear engine into one, which would consist of two parts, i.e. thermal and electrical. This will allow, according to the scientist, to get to Mars in 45 days. This nuclear engine, as mentioned above, will consist of two components that will complement each other.

For example, a nuclear thermal propulsion consists of a nuclear reactor that heats liquid hydrogen fuel, turns it into ionized hydrogen gas, which then creates thrust. On the other hand, a nuclear electric propulsion consists of a nuclear reactor providing electrical power to a Gall effect propulsion, that is, an ion propulsion generating an electromagnetic field. This field ionizes and accelerates an inert gas such as xenon to create thrust.

Both of these engines have significant advantages over conventional chemical propulsion in space rockets. The new engine, according to Gosse, will combine the advantages of both nuclear rocket engines - thermal and electric.

Such a double structure could provide a fast flight to Mars in 45 days, and so people can quickly fly to other, more distant planets in the solar system.

Today, conventional rocket engines are capable of delivering astronauts to Mars in 9-12 months. Therefore, such a short trip of 45 days will significantly reduce the risks of a manned flight, and will also be safer for the health of astronauts.

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