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Алекс Виленкин. Мир многих миров. Физики в поисках параллельных вселенных
Если нагреть предмет, его тепловая энергия возрастёт, а значит, его вес тоже должен увеличиться. Это может навести на мысль, что перед взвешиванием лучше принять холодный душ.