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Concentric squares

Look closely at the squares drawn in the center of the oblique stripes. Apparently they do not seem concentric and gives the impression that they are not exactly square, but if you check it you will see that the lines are parallel and form three perfect squares. Solution Again the oblique lines of the drawing cause a distortion that is only in our brain.
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The decimals of Pi

I am π, slogan and witty reason of wise man, what a precious series valuing masterful statement. With my singular law well measured the Great Orb, finally, reduced to the real ordinary system. Archimedes, in precious sciences creates π, famous monument, and although intimate gave valuation, periphery of the circle knew, duplicating geometric group, solve and appreciate extension.
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1 + 1 = 3

It may sound somewhat paradoxical, but we are going to crumble the foundations of mathematics by showing that 1 + 1 is equal to 3. We begin with an unquestionable equality: We add both members of equality the same amount: We can transform the previous expression into: If we We fix, we see that we have on both sides the result of squareing a binomial, so we can simplify: If we extract the square root of both members we have that: Or what is the same Or that: How is it possible?
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Thalasophobia, fear of the sea

We are at the beach with friends. One of them shouts: "we go swimming to the farthest buoy!" . We start swimming towards the buoy and we realize that we no longer stand. It is getting deeper and darker. As a result of the passion of the moment, we have agreed to swim towards a place away from the shore, but when we are aware that we do not know what we have underneath, we begin to get nervous.
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50 phrases of the novelist and activist Émile Zola

ÉMile Édouard Charles Antoine Zola (1840 - 1902) was a great French novelist, critic and political activist of the late 19th century. He was the founder of the naturalism movement, which can be found in a huge work of 20 novels. His biological approach to the scrupulous description of life and of common people was based on the contemporary theory of hereditary determinism, which he used to demonstrate how genetic and environmental factors influence human behavior.
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