Men and women have different brains

Males have a slightly heavier brain, weighing almost 1,400 grams, while females have an average of about 1,300 grams. Women have more white matter whereas men have more gray one.

The white matter is responsible for the connections between the hemispheres and all parts of the brain. Without it, the brain would not be able to work coherently. Another function of the white matter is to transmit data. Gray matter is responsible for perception of the world, memory, speech, and feelings. It is hard to say who is luckier, but both men and women have their advantages.
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Stirling engine

A thermal machine in which the working body, in the form of gas or liquid, moves in a closed volume, a type of external combustion engine.
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Unsuccessful attempts by U.S. astronauts to navigate the surface of the Moon.
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The cost of starting a business in countries around the world
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The Japanese Alfa-X train can reach speeds of up to 400 km/h.
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Michael Faraday invented the first electric motor in 1821. One of the greatest scientists of the 19th century
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Wave Optics

Light waves are regarded by their nature as electromagnetic waves, possessing all their properties.
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Barcelona
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Vintage pencil sharpener
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This video display behind the truck shows what’s in front of it, so that you can decide to pass it or not

▫️ All Humanity's Missions to Mars

A total of 48 missions have been sent to Mars by the inhabitants of Earth in the last 60 years: 18 by the USSR/Russia, 23 by the United States and seven by other countries.

Of these, one Soviet mission, 17 U.S. missions and three missions by other countries (one each from China, the UAE and India) were a complete success. Not much, of course.
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Adolf Hitler enlists to fight in the German Army's 16th Bavarian Reserve Infantry.
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How Europeans presented a map of Africa in 1953
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▫️ How many cameras are installed on roads around the world

According to The Worldwide Speed Camera Database, a total of more than 105,000 permanent (this is important, portable cameras, including those that come with the traffic police, are not counted here) cameras are installed on the roads around the world now. Of these, 71 thousand are speed cameras, 17.4 fine for running a red light, and the rest either perform several functions simultaneously, or check some other violations

And of these 105 thousand traffic cameras, 18.4 thousand are located in... In Russia! And in this category, we are unconditional first place in the world! Second place goes to Brazil (17,000 cameras), and Italy is in the third place with 10,800.

In huge and very populous India, for example, only 11 cameras are installed. Yes, units, not thousands) In quite big and not poor Ireland and South Korea there are only 10 permanent cameras each
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