Color changing thimble. Effective trick and its solution

EFFECTIVE FOCUSES AND THEIR CLUES
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Color changing thimble. Focus Secret

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

Focus Description:

Put a thimble on the outstretched index finger of the right hand.

Put this finger behind the open palm of your left hand, thereby hiding it and the thimble from the field of view of the audience for a moment. Now bring your right hand out from behind the left - on the index finger there will be a thimble of a completely different color.

Focus Color-changing thimble

Focus secret:

For demonstration, you need two identical thimbles of different colors, for example, silver and gold. If there are no such colors, you can simply paint the thimbles in different colors. One of the two thimbles is "secret". It is put on in advance on the middle finger of the right hand, clenched into a fist. Place the outstretched index finger of the right hand behind the left open palm.

Under her cover, clench the index finger with a thimble into a fist, and stretch the middle finger with another thimble. At the same time, turn your hand as shown in the figure, then the audience will take the middle finger for the index finger. The thimble will "change" color.

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Green energy is on the rise 08.04.2022

From the report of the analytical company Ember, it follows that in 2021, 10% of electricity was generated worldwide from wind and solar energy, which became a new record. In total, 38% of the world's annual electricity was generated from clean energy sources, which also include nuclear energy, hydroelectric power plants and biofuels, which is even more than from burning coal. This gives hope for curbing a possible climate crisis.

According to the Paris climate agreement, it is desirable to limit the increase in global average temperature in the world to 1,5 °C from pre-industrial levels. This will require maintaining an average 10-year increase in solar and wind power generation at 20% until at least 2030. In 2021, for example, the production of solar energy in the world increased by 23%, and wind - by 14%. Together, both renewable sources accounted for 10,3% of total global electricity generation, up 1% from 2020. If the established pace is maintained and if this practice spreads in all countries of the world, the goals of the Paris Agreement are quite achievable, analysts conclude.

If you look at the Ember report in more detail, you can find out that more than 10% of electricity is generated by 50 countries on Earth due to the Sun and wind. In the past two years alone, the fastest transition from fossil sources to the sun and wind has occurred in the Netherlands, Australia and Vietnam. In 10 countries, more than 25% of electricity is generated from the Sun and wind, among which Denmark is the leader with a share of 52%.

Despite the growth of wind and solar energy, coal-fired electricity generation is also showing the highest growth rates. On the one hand, this is happening against the backdrop of the resumption of economic activity in the later stages of the COVID-19 pandemic (which, however, has not yet ended), and on the other hand, the Ukrainian events are forcing certain countries to look for an urgent replacement for hydrocarbons from Russia. Returning to coal, we note that in 2021, coal-fired power generation increased by 9% to 10 TWh, or to 042% of global electricity demand.

According to analysts, the need for electricity in 2021 increased by "one India" or by 5,4% (by 1 TWh). If the momentum in solar and wind power generation growth continues, the world may soon move to a point where any increase in demand will be met by these renewable sources, Ember believes.

In addition to coal, natural gas also contributed to the increase in electricity generation. The share of gas in the global energy sector increased by 2021% in 1. Together, coal and gas, and likely oil products, led to a record increase in greenhouse gas emissions in 2021, surpassing the previous record set in 2018. The largest increase in demand for coal was recorded in China - up 13% in 2021 compared to the level of 2019, before the pandemic. At the same time, China entered the six countries, the contribution of the Sun and wind to the energy sector of which was one of the largest in the world. China will continue to "smoke the sky", but it is also striving to become carbon neutral, although how quickly this will happen is difficult to predict today.

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