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грн55.00 -10% Off грн49.50
A hypothetical analogue of a disk galaxy is considered - a flat, extremely thin disk, inside of which there is a body, an analogue of a star. The density dis...
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грн55.00 -10% Off грн49.50
The errors of Cantor and his followers in logical reasoning about infinite sets are revealed. A proof is given that the continuum is countable and that all r...
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грн55.00 -10% Off грн49.50
A modification of the traditional installation for teleportation of the quantum state of a qubit is considered. On the transmitting side, the sequence of the...
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грн30.00 -10% Off грн27.00
It is believed that in order to accelerate a spacecraft to high, even sub-light, speeds, significant reserves of fuel are required. However, the limited spee...