Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Physics has an important role in our life. Without physics and the work ofphysicists, our modern life would not exist. Using physics, people created machines,instruments and some different divices from the crudest to the most modern aspect.Techology is developed more rapidly, more modern day by day.Moreover, all other natural sciences- example chemistry, biology, medicinedependupon physics for the foundations of their knowledge. Physics holds this keyposition because it is concerned with the most fundamental aspect of matter andenergy and how they interact to make the physical universe.Physics has some main problems: mechanics, electricity and magnitism, heat,wave and sound, optics, nuclear physics,...
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Research topics in physics
