What is the Theory of Relativity?

In a compartment of the Moscow-Novosibirsk train, a young physicist meets famous film actors. The conversation accidentally comes to Einstein, and the woman begins to explain to her fellow travelers what the theory of relativity is. The actors are incidentally on their way to the shooting of a film about physicists, but they do not understand the subject at all.

The Man Who Could Fly

The kid by the name of Tomshik recently often dreamed that he could fly. And now his dream came true! The boy was delighted with his new abilities. But the scientific fraternity became interested in such a miracle, and it became very clear that he did not fly the way he should have. And though they did not know how to do it, they began to struggle to teach Tomshik. What will their morals and experiments lead to?