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Line 1: − + − Dyson was born in [[England]] in 1923. He received an honorary doctorate from Bates College, in 1990. During [[World War II]], Dyson flew for the [[RAF]] Bomber Command at Wyton. After the war, during the [[Eisenhower]] [[administration]], he worked on [[Project Orion]], a [[top]]-[[secret]] military project exploring the concept of nuclear flight, an idea which Dyson himself had proposed, in the 1960 science-fiction essay "Search for Artificial Stellar Sources of [[Infrared]] [[Radiation]]".+ − + − Dyson is also known for his vacuum cleaner designs, all of which are "[[bag]]less" (meaning that they collect dust and dirt in a hollow cylinder rather than in a disposable vacuum bag), and many of which feature a rotating [[sphere]] instead of fixed [[wheel]]s or casters. The Dyson sphere is one of the most interesting innovations to come out of England, in the past fifty years. − − [[Liberal]] activist and political candidate [[Ralph Nader]], has repeatedly attested that Dyson vacuum cleaners are unsafe for operation around children, due to their high suction power. Dyson has laughed off these claims, joking that, ''"Nader abhors a vacuum."'' − − − *[[Geodesic Dome]]
Reverted edits by AndrewE (Talk) to last version by RickD
'''Freeman Dyson''' (1923–present), is an [[atomic scientist]], [[mathematician]], and [[inventor]], best known today for his contributions to [[science fiction]], and for his refinements to the bagless [[vacuum cleaner]].
'''Freeman Dyson''' (1923–present), is an physicist and author.<ref>[http://books.google.com/books?id=2jMS6_jICOQC&pg=PA473&lpg=PA473&dq=bagless+dyson+freeman&source=web&ots=RKmDyrmriR&sig=IuUKem7iazICclLYI8utom3uSKs&hl=en&sa=X&oi=book_result&resnum=4&ct=result The Houghton Mifflin Dictionary of Biography]</ref> He is a permanent member of the [[Institute for Advanced Study]].
==Notes==
<references />
==See also==
[[Category:Astronomers]]
[[Category:Astronomers]]
[[Category:Physicists]]
[[Category:Physicists]]
[[Category:Engineers]]
[[Category:Engineers]]