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100th Anniversary of Theremin. It’s interesting that the word невесомость (weightlessness) appeared in Russian only about a hundred years ago, coined in the early 20th century by artist Kazimir Malevich creator of the famous “Black Square”. Today everyone understands what is meant by this term even though it has really been experienced only by those who have been into near-Earth orbit. It is possible that we will live to see space become accessible to many and we may
