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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, humorous 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 down repeatedly on the Harvard Bridge (between Boston and Cambridge, Massachusetts) so that his fraternity brothers could use his height to measure the length of the bridge.[1]

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, 5 feet 7 inches (1.70 m).[2] 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.[3] 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.[4]

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.[5][6]

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, 2001–02)[7] and then, president of the International Organization for Standardization (ISO, 2003–04).[8] 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.[6]

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

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.[11]

Markings typically appear every 10 smoots, but additional marks appear at other numbers in between. For example, the 70-smoot mark is accompanied by 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 smoot markings, since they had become useful for identifying the location of accidents on the bridge.[12] The renovators went one better, scoring the concrete surface of the sidewalk on the bridge at 5 foot 7 inch intervals, instead of the conventional six feet.[13] The markings continue to be maintained once or twice annually by the undergraduates and alumni of Lambda Zeta.

Google Calculator also incorporates smoots, which it reckons at exactly 67 inches (1.7018 meters).[2] 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. ^ Curran, Susan. "Spotlight: A salute to Smoot". Massachusetts Institute of Technology. Retrieved 13 August 2015. 
  2. ^ a b Google: "1 smoot in meters"
  3. ^ Tavernor, Robert, Smoot's Ear: The Measure of Humanity, Yale University Press (2007), ISBN 978-0-300-12492-7, Preface, pp. xi-xvi
  4. ^ "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. 
  5. ^ Kostoulas, Andy (1999-10-12). "This Month In MIT History". The Tech. Retrieved 2009-04-18. 
  6. ^ a b Smoot Day on October 4, 2008
  7. ^ Oliver R. Smoot
  8. ^ MIT - a salute to Smoot
  9. ^ Cornish, Audie (2011-11-13). "Looking Up Words In A Book Not So Strange Yet". National Public Radio. Retrieved 10 December 2012. 
  10. ^ "American Heritage Dictionary entry". American Heritage Dictionary. Houghton Mifflin Harcourt Publishing Company. Retrieved 10 December 2012. 
  11. ^ 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. 
  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.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.

30125 news items

 
Roane County News (subscription)
Mon, 02 May 2016 05:45:00 -0700

Prosecutors want to introduce what they call prior bad acts of Shawn Smoot during his first-degree murder trial. Smoot is accused of killing Brooke Nicole Morris in Roane County on Oct. 15, 2011. Prosecutors contend the alleged bad acts are essential ...

ESPN (blog)

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Wed, 27 Apr 2016 08:00:00 -0700

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Fri, 22 Apr 2016 11:49:18 -0700

“Over the last two and a half years,” Smoot said, “people have talked to me about other job openings form various parts of the country, but this one is 30 miles from where my mom lives and they are doing the same kind of thing that we did here, which ...

MyCentralJersey.com

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Fri, 22 Apr 2016 13:33:49 -0700

For all their star power, Sky Blue FC, who will play host to the Washington Spirit on Sunday, April 24, at 6 p.m. in their 2016 home opener at Yurcak Field in Piscataway, would probably grind to a halt if not for Mary Smoot. Smoot will never so much as ...

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There's not much happening around Dallas that gets past socially savvy Cynthia Smoot. The red-headed beauty, well known through out the community, is a strategic PR/marketing consultant, lifestyle blogger and a permanent fixture on all of the hottest ...
 
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Sun, 03 Apr 2016 21:41:15 -0700

Locals Keith Durden and Blake Smoot captured the first place plaques — Durden by a lot and Smoot by a little — in Saturday's fourth annual Tuna Trot 5K Run For the Reef. The race, which is run in association with the Key West Oceanfest and attracted ...

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SPRINGFIELD, Ohio (WDTN) — A barbershop which was favored by many in Springfield could rise from the ashes after burning down in a vehicle fire. Every day since his business was destroyed, Randy Smoot has visited the parking lot off the 1800 block of ...
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