Remember the quadratic equation ax^{2}+bx+c=0?

Remember the quadratic equation ax^{2}+bx+c=0? Well, the ancient Babylonians and Greeks knew how to solve it, except that the Babylonians had no negative numbers, so for them it was not one quadratic equation but eight: they had to work through every possible combination of signs. And the method of completing the square they knew perfectly well.

The solution of cubic equations, however, was discovered by the Italians only at the beginning of the 16th century, and with that, by and large, modern mathematics began.

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At the close of the Strugatskys' "Roadside Picnic" the Golden Sphere is asked for this: "Happiness for everybody, free, and let nobody go away unsatisfied!" I do not promise to leave no one aggrieved, but the digest really does come free

At the close of the Strugatskys' "Roadside Picnic" the Golden Sphere is asked for this: "Happiness for everybody, free, and let nobody go away unsatisfied!" I do not promise to leave no one aggrieved, but the digest really does come free. So, here is the

Frederic Leighton

Frederic Leighton. “Daedalus and Icarus”, 1869 Daedalus warns his son not to climb too high: the heat of the sun may melt the wax, but Icarus is already gazing into the distance, and the lamentations of a foolish old man interest him not in the least

Remember the quadratic equation ax^{2}+bx+c=0?

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At the close of the Strugatskys' "Roadside Picnic" the Golden Sphere is asked for this: "Happiness for everybody, free, and let nobody go away unsatisfied!" I do not promise to leave no one aggrieved, but the digest really does come free

Frederic Leighton

Attempts to resolve the problems of many years of uncontrolled mass migration

Characters from Gogol's "Petersburg Tales" on the pedestal of the monument to Nikolai Gogol on Nikitsky Boulevard, photograph of the 1960s