[Q]: Sentence: For example, certain processes in quantum mechanics, relating to the weak nuclear force, are not time-reversible, keeping in mind that when dealing with quantum mechanics time-reversibility comprises a more complex definition. Question: What is are kind of nuclear force is not time-reversibile?
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[A]: yes

[Q]: Sentence: Heretofore, electrical recording technology from company to company was considered a proprietary art all the way back to the 1925 Western Electric licensed method used by Columbia and Victor. Question: How was standardization prior to 1942?
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[A]: yes

[Q]: Sentence: In the 7th9th centuries Rome fell under the influence of Byzantine art, noticeable on the mosaics of Santa Prassede, Santa Maria in Domnica, Sant'Agnese fuori le Mura, Santa Cecilia in Trastevere, Santi Nereo e Achilleo and the San Venanzio chapel of San Giovanni in Laterano. Question: During which centuries did ROme fall under the influence of Byzantine art?
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[A]:
yes