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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 / 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]

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]

The 100 smoot mark

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 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.
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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The National Law Review
Sun, 28 Sep 2014 18:18:45 -0700

Invoking the damaging consequences of the US unilaterally implementing trade protection measures following the US stock market crash of 1929—through passage of the Smoot-Hawley Tariff Act of 1930—Mr. Giancarlo argued against unilateral action by ...
 
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Tue, 30 Sep 2014 16:48:45 -0700

Xilinx logo Xilinx (NASDAQ:XLNX) SVP Scott Hover-Smoot sold 2,000 shares of Xilinx stock in a transaction that occurred on Monday, September 29th. The shares were sold at an average price of $42.68, for a total value of $85,360.00. Following the ...
 
San Jose Mercury News
Wed, 24 Sep 2014 11:33:45 -0700

Katie Smoot, Notre Dame-Belmont. Sport: Volleyball. Position: Middle blocker. Class: Sophomore. Smoot had 36 kills, nine aces and six blocks to help lead Notre Dame to the championship of the Chris Chandler Invitational at Menlo as the Tigers defeated ...
 
Herald-Mail Media
Sat, 20 Sep 2014 17:22:30 -0700

Smoot's condition, of course, wasn't that dire. But the Rev. Dr. D. Stuart Dunnan, the school's headmaster, has apparent healing powers — spiritual and otherwise. Smoot was quickly on his feet, recovered from landing stomach-first on the football.

San Mateo Daily Journal

San Mateo Daily Journal
Wed, 10 Sep 2014 04:24:15 -0700

Notre Dame girls' volleyball team refers to Smoot — a second-year varsity starter as a sophomore — as “Big Red.” And the burgeoning superstar did not disappoint in Notre Dame's opening game Tuesday, as the Tigers downed Mercy-Burlingame in straight ...
 
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Fri, 05 Sep 2014 20:55:18 -0700

Smoot, who had only six carries for 3 yards to that point, carried six straight times for all 35 yards against a tiring Blazers defense. He finished off with a 3-yard sweep to the left for the score and then ran in the conversion to give the Saints a ...
 
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Sat, 13 Sep 2014 21:06:57 -0700

The West and moderate Middle Eastern states fear ISIS and rightly so. It combines terror techniques with territorial ambitions more effectively than any group since the Bolsheviks. While many focus on the ISIS' strengths, they neglect to point out that ...
 
Paso Robles Press
Thu, 25 Sep 2014 23:00:00 -0700

“Well, it's different,” Smoot said of the highly modified Yak-11. “It flies different. It's not as stable as a P-51 Mustang, and the speeds we're going, we're just sort of in no man's land. The engine and everything else, we're running way over what ...
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