Unit 4 Extended reading 课件--2020-2021学年高一下学期英语牛津译林版（2020）必修第三册

Unit 4 Scientists who changed the world The Value of Science The Value of Science Who is Richard Feynman? American physicist Richard Feynman (1918-1988) predicted the future of nanotechnology (纳米技术), and improved the scientific understanding of the nature of waves and particles and the interactions of light and matter.  He won Nobel Prize in Physics in 1965. The Value of Science Who is Richard Feynman? “Science is the belief in the ignorance of experts.” “I would rather have questions that can't be answered than answers that can't be questioned.” Para. 1-2 What question is raised? What caused the speaker’s concern about question? Value 1: enable people to do and make all kinds of things What should we give credit for if we make good things? Scientific knowledge is an enabling power to do either good or bad—but it does not carry instructions on how to apply it. How is this value related to the author’s atomic bomb inventing experience? Value 2: provide us with intellectu