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Jearl Walker (born 1945 in
Pensacola, Florida Pensacola () is the westernmost city in the Florida Panhandle, and the county seat and only incorporated city of Escambia County, Florida, United States. As of the 2020 United States census, the population was 54,312. Pensacola is the principal ...
) is a physicist noted for his book ''
The Flying Circus of Physics ''The Flying Circus of Physics'' by Jearl Walker (1975, published by John Wiley and Sons; "with Answers" in 1977; 2nd edition in 2007), is a book that poses (and answers) 740 questions concerned with everyday physics. The emphasis is strongly on ...
'', first published in 1975; the second edition was published in June 2006. He teaches physics at
Cleveland State University Cleveland State University (CSU) is a public research university in Cleveland, Ohio. It was established in 1964 and opened for classes in 1965 after acquiring the entirety of Fenn College, a private school that had been in operation since 1923. ...
. Walker has also revised and edited the textbook ''
Fundamentals of Physics ''Fundamentals of Physics'' is a calculus-based physics textbook by David Halliday, Robert Resnick, and Jearl Walker. The textbook is currently in its 12th edition (published October, 2021). The current version is a revised version of the orig ...
'' with David Halliday and Robert Resnick. Walker is a well-known popularizer of physics, and appeared on '' The Tonight Show Starring Johnny Carson''. Walker is known for his physics demonstrations, which have included sticking his hand in molten lead, walking barefoot over hot coals, lying on a bed of nails, and pouring freezing-cold
liquid nitrogen Liquid nitrogen—LN2—is nitrogen in a liquid state at low temperature. Liquid nitrogen has a boiling point of about . It is produced industrially by fractional distillation of liquid air. It is a colorless, low viscosity liquid that is wide ...
in his mouth to demonstrate various principles of physics. Such demonstrations are included in his PBS series, ''Kinetic Karnival'', produced by WVIZ in
Cleveland, Ohio Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U.S. ...
. Walker was born in
Pensacola, Florida Pensacola () is the westernmost city in the Florida Panhandle, and the county seat and only incorporated city of Escambia County, Florida, United States. As of the 2020 United States census, the population was 54,312. Pensacola is the principal ...
, and grew up in Fort Worth, Texas. He graduated with a degree in physics from the Massachusetts Institute of Technology in 1967. He received his Ph.D. from the University of Maryland in 1973. Walker authored ''
The Amateur Scientist "The Amateur Scientist" was a column in the ''Scientific American'', and was the definitive "how-to" resource for citizen-scientists for over 72 years (1928–2001), making it the longest running column in ''Scientific American''s history. The col ...
'' column in '' Scientific American'' magazine from 1978 to 1988. During the latter part of this period, he had been the Chairman of the Physics Department at Cleveland State University. He appeared regularly around this time on the long-running CBC radio science program ''
Quirks and Quarks ''Quirks & Quarks'' is a Canadian science news program, heard over CBC Radio One of the Canadian Broadcasting Corporation (CBC). Created by CBC Producer Diana Filer and airing since October 8, 1975, ''Quirks & Quarks'' is consistently rated among ...
''. From 1981 to 1982 he hosted ''The Kinetic Karnival of Jearl Walker'', a six-episode series for PBS syndication in the US. In each 30-minute program he performed humorous demonstrations before a live audience. The show was distributed to schools as a teaching aide. He is the first recipient, in 2005, of the Outstanding Teaching Award from
Cleveland State University Cleveland State University (CSU) is a public research university in Cleveland, Ohio. It was established in 1964 and opened for classes in 1965 after acquiring the entirety of Fenn College, a private school that had been in operation since 1923. ...
's College of Science. The College's Faculty Affairs Committee selected Walker as the first honoree based on his contributions to science education over the last 30 years. The award was thereafter named "The Jearl Walker Outstanding Teaching Award" in his honor.


References


External links


Walker's blog

His faculty profile which shows his photographAnother photograph
(in the middle)
Prof. Walker's essay about his stunts. Boiling water and the leidenfrost effectWebsite of his latest book ''Flying Circus of Physics''Bed of Nails Demonstration
* {{DEFAULTSORT:Walker, Jearl 1945 births Living people 21st-century American physicists Cleveland State University faculty MIT Department of Physics alumni University of Maryland, College Park alumni Science communicators