thank you so, the topic of today's lesson is unscientific and maybe it's not worth wasting time on it napoleons criminal ovechkin don't teach me how to live. physics and so enough tyagomotina, this is not a theater for you, brothers. by the way, on saturday, the whole class is going to the performance and back the bill is about einstein. i will be with a girl. so i ask you everything, do not express your subjective opinions, as if last time about my personal taste, because, as you know the taste and color, brothers. so before you is a diagram of a perpetual motion machine or a perpetuum mobile, attempts to create a perpetual motion machine were made by the following inventors back in the 12th century in 1775. the french academy of sciences, literally swamped with projects of perpetual motion machines, issues a special decree not to consider such projects. i drive them complete nonsense. here, after more than 200 years, we have to admit that the idea of creating a perpetual motion machine is also eternal. of course, ovechkin i would not waste time, like napoleon, using if i was not frighten