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1 smoot =
SI units
1.70180 m 170.180 cm
US customary / Imperial units
5.58333 ft 67.0000 in

The smoot /ˈsmt/ is a nonstandard unit of length created as part of an MIT fraternity prank. It is named after Oliver R. Smoot, a fraternity pledge to Lambda Chi Alpha, who in October 1958 lay on the Harvard Bridge (between Boston and Cambridge, Massachusetts), and was used by his fraternity brothers to measure the length of the bridge.

The Harvard Bridge, looking towards Boston.

Unit description[edit]

In a photo dated 2009, the painted inscription reads: "364.4 SMOOTS + 1 EAR"

One smoot is equal to Oliver Smoot's height at the time of the prank (five feet and seven inches ~1.70 m).[1] The bridge's length was measured to be 364.4 smoots (620.1 m) plus or minus one ear, with the "plus or minus" intended to express uncertainty of measurement.[2] Over the years the "or minus" portion has gone astray in many citations, including the markings at the site itself, but has now been enshrined in stone by Smoot's college class.[3]

History[edit]

To implement his use as a measuring unit, Oliver Smoot repeatedly lay down on the bridge, let his companions mark his new position in chalk or paint, and then got up again. Eventually, he got tired from all this exercise and was carried thereafter by the fraternity brothers to each new position.[4][5]

Oliver Smoot graduated from MIT with the class of 1962, became a lawyer, and later became chairman of the American National Standards Institute (ANSI)[6] and president of the International Organization for Standardization (ISO).[7] He is the cousin of Nobel Prize winner George Smoot. The prank's fiftieth anniversary was commemorated on October 4, 2008 as Smoot Celebration Day at MIT, which Smoot attended.[5]

In 2011, "smoot" was one of the 10,000 new words added to the fifth edition of the American Heritage Dictionary.[8][9]

Practical use[edit]

People walking across the bridge today can see painted markings indicating how many smoots there are from where the sidewalk begins on the Boston river bank. The marks are repainted each semester by the incoming associate member class (similar to pledge class) of Lambda Chi Alpha.[10]

Markings typically appear every 10 smoots, but additional marks appear at other numbers in between. For example, the 70-smoot mark is omitted in favor of a mark for 69.[11] The 182.2-smoot mark is accompanied by the words "Halfway to Hell" and an arrow pointing towards MIT. Each class also paints a special mark for their graduating year.[citation needed]

The 100 smoot mark

The markings have become well accepted by the public, to the degree that during the bridge renovations that occurred in the 1980s, the Cambridge Police department requested that the markings be maintained, since they had become useful for identifying the location of accidents on the bridge.[12] The renovators went one better, by scoring the concrete surface of the sidewalk on the bridge at 5 foot 7 inch intervals, instead of the conventional six feet.[13]

Google Calculator also incorporates smoots, which it reckons at exactly 67 inches (1.7018 meters).[1] Google also uses the smoot as an optional unit of measurement in their Google Earth software and Google Maps distance measurement tool.[14]

See also[edit]

References[edit]

  1. ^ a b Google: "1 smoot in meters"
  2. ^ Tavernor, Robert, Smoot's Ear: The Measure of Humanity, Yale University Press (2007), ISBN 978-0-300-12492-7, Preface, pp. xi-xvi
  3. ^ "Smoot in Stone". MIT News. Cambridge, Massachusetts: Massachusetts Institute of Technology. 2009-06-04. Retrieved 2010-07-20. "Specifically noting the bridge's length of 364.4 Smoots (+/- 1 ear), the plaque, a gift of the MIT Class of 1962, honors the prank's 50th anniversary." 
  4. ^ Kostoulas, Andy (1999-10-12). "This Month In MIT History". The Tech. Retrieved 2009-04-18. 
  5. ^ a b Smoot Day on October 4, 2008
  6. ^ Oliver R. Smoot
  7. ^ MIT - a salute to Smoot
  8. ^ Cornish, Audie (2011-11-13). "Looking Up Words In A Book Not So Strange Yet". National Public Radio. Retrieved 10 December 2012. 
  9. ^ "American Heritage Dictionary entry". American Heritage Dictionary. Houghton Mifflin Harcourt Publishing Company. Retrieved 10 December 2012. 
  10. ^ Historic American Engineering Record (HAER) (1987). Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston, Suffolk County, MA. Philadelphia, Pennsylvania: Department of the Interior. p. 5. http://hdl.loc.gov/loc.pnp/hhh.ma1293. Retrieved 2009-05-12. 
  11. ^ Photo from the location
  12. ^ Keyser describes his top five hacks - MIT News Office
  13. ^ Fahrenthold, David A. "The Measure of This Man Is in the Smoot". The Washington Post. Retrieved 2010-05-23. 
  14. ^ Google Maps distance measurement tool

External links[edit]


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Smoot — Please support Wikipedia.
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1828 news items

 
Knoxville News Sentinel
Wed, 23 Apr 2014 08:45:00 -0700

The order, signed Wednesday morning by Roane County Criminal Court Judge E. Eugene Eblen, immediately suspends the $250,000 cash bond that secured Shawn Nelson Smoot's release in March 2013 from custody in Roane County. Smoot has been ...
 
Knoxville News Sentinel
Tue, 22 Apr 2014 11:00:00 -0700

The state will be seeking to revoke accused murderer Shawn Smoot's bond following his arrest for DUI, resisting arrest and violation of the implied consent law, Roane County District Attorney General Russell Johnson said Tuesday. Smoot, 42, is accused ...
 
WATE-TV
Wed, 23 Apr 2014 12:07:30 -0700

KINGSTON (WATE) - A Roane County judge has revoked bond for murder suspect Shawn Smoot after he was arrested for DUI in McMinn County. Smoot was arrested in McMinn County on charges of DUI, violation of the implied consent law and resisting ...
 
Parkersburg News
Tue, 22 Apr 2014 21:28:52 -0700

April 23, 2014. By PAMELA BRUST (pbrust@newsandsentinel.com) , Parkersburg News and Sentinel. Save |. PARKERSBURG - A documentary inspired by a local historian's book on the oil and gas industry will be shown next month at the Smoot Theatre.
 
Broadway World
Mon, 21 Apr 2014 09:20:55 -0700

Smoot, a.k.a John Turner from the infamous horror clown duo, Mump + Smoot, has found himself in a spot. The beloved clown performer and teacher lost his home on Manitoulin Island in a fire earlier this year, and the Toronto theatre, comedy and clown ...

The Guardian

The Guardian
Sat, 19 Apr 2014 16:05:48 -0700

Smoot, 69, was born in Florida to parents with little money but a passion for education. He spent his early years exploring the wilds of Alaska after his father landed a government job as a hydrologist there. Later the family moved to Ohio and then ...
 
Northern Virginia Daily
Wed, 02 Apr 2014 21:07:30 -0700

STRASBURG -- Strasburg's baseball team expects to have plenty of pitching depth this spring, with at least seven capable arms available at the disposal of longtime Rams head coach Jeff Smoot. Of that group, senior right-hander Tyler Doman and junior ...
 
Muncie Star Press
Fri, 04 Apr 2014 21:29:03 -0700

He is survived by his son, Aaron Smoot (wife, Chelsea); grandson, Hank Smoot; his mother, Dorothy Smoot; two brothers, Jeffrey Smoot (wife, Louanne), and Rodney Smoot (wife, Jan), as well as several nieces and nephews. Gary was preceded in death by ...
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