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This article is about the non-standard unit of measure. For other uses, see Smoot (disambiguation).
1 smoot =
SI units
1.70180 m 170.180 cm
US customary units (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.

Unit description[edit]

The Harvard Bridge, looking towards Boston.
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 unit of measure, 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]

The 100 smoot mark

Oliver Smoot graduated from MIT with the class of 1962, became a lawyer, and later became chairman of the American National Standards Institute (ANSI, 2001-2002)[6] and then, president of the International Organization for Standardization (ISO, 2003-2004).[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]

Smoot mark 69 on the upstream (west) side of the Harvard Bridge

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. 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 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 by Lambda Zeta, the MIT chapter of Lambda Chi Alpha which created and maintains the Smoots, since they had become useful for identifying the location of accidents on the bridge.[11] 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.[12]

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.[13]

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. ^ Keyser describes his top five hacks - MIT News Office
  12. ^ Fahrenthold, David A. "The Measure of This Man Is in the Smoot". The Washington Post. Retrieved 2010-05-23. 
  13. ^ Google Maps distance measurement tool

External links[edit]


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Smoot — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
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Hutchinson News

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Sat, 21 Feb 2015 17:05:38 -0800

Betty Jayne Hayes Smoot, Sterling, will celebrate her 90th birthday with a family dinner on March 1. She was born in Wichita and moved to Hutchinson at age 4. She graduated from Hutchinson High School in 1943 and moved to Sterling that year. In ...

WATE-TV

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Fri, 06 Feb 2015 16:58:18 -0800

LOUDON (WATE) – Trial dates for the man charged in the murder of Brooke Morris may be pushed back again. Shawn Smoot was appointed a fifth lawyer after he requested his attorney, Stanley Barnett, removed from the case. Since 2012 Smoot was had ...

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Sat, 14 Feb 2015 21:03:45 -0800

ABOUT THIS SERIES: This series of articles, published one per month between his bicentennial birthday anniversary in February, 2015 and the A.O. Smoot Family Reunion in October of 2015, addresses (1) Coming to Provo, (2) Family and Homes in Provo, ...
 
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Mon, 16 Feb 2015 12:26:15 -0800

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Wed, 04 Feb 2015 23:52:30 -0800

DANVILLE – Donald P. Smoot, 87, well-known area farmer and longtime contractor with Smoot Construction, passed away at 10:56 a.m. Tuesday (Feb. 3, 2015) at his home. Don was born Nov. 20, 1927, in St. Clair County, Mo., to Paul L. and Lillian Elizabeth ...

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Wed, 25 Feb 2015 09:14:23 -0800

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STRASBURG, Va. (WHSV) -- Success runs in the family, especially for our Student Athlete of the Week, Strasburg High School's Ryan Smoot. His dad is the school's baseball coach and his sister Jenna won WHSV's Student Athlete of the Year award.
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