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fraternity pledgemaster because he was deemed shortestâwhich made measuring the bridge the most labor-intensiveâand he was the "most scientifically named." 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
374:
also scored the concrete surface of the sidewalk on the bridge at 5-foot-7-inch (1.70 m) intervals instead of the conventional 6 feet (1.83 m). The Lambda Zeta (MIT) chapter of Lambda Chi Alpha, which created the smoot markings, continues to repaint the markings once or twice per year.
353:
bank in Boston, with a number every ten smoots. The marks were repainted each semester by the incoming associate member class (similar to pledge class) of Lambda Chi Alpha before they were suspended due to repeated infractions of MIT's alcohol rules. Lambda Chi Alpha alumni, along with current
369:
on the bridge, to the degree that during bridge renovations in the 1980s, the
Cambridge, Massachusetts, police department requested that the markings be restored, since they were routinely used in police reports to identify locations on the bridge. The renovators at the
217:
to further indicate possible error in the measurement. Over the years the "±" portion and "Δ" spelling have been left out in many citations, including some markings at the site itself, but the "±" is recorded on a 50th-anniversary plaque at the end of the
309:
article by the MIT Alumni
Association announced that MIT would recalibrate the smoot to 65.7500 inches (1.67005 m) and the ear to 2.48031 inches (62.999874 mm), and the bridge would thus be 372 smoots, give or take 11 ears.
208:
One smoot is equal to Oliver Smoot's height at the time of the pledge, 5 feet 7 inches (1.70 m). The bridge's length was measured to be 364.4 smoots (2,035 ft; 620.1 m) "± 1 Δar" with the "±" showing
292:
investigated the marks on the bridge years later, and published an interview with Smoot. The prank's fiftieth anniversary was commemorated on
October 4, 2008 as Smoot Celebration Day at MIT, which Smoot attended.
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Markings typically appear every 10 smoots (56 ft; 17 m), but additional marks appear at other numbers in between. For example, the 70-smoot (390 ft; 120 m) mark is accompanied by a mark for
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Specifically noting the bridge's length of 364.4 Smoots (+/â 1 ear), the plaque, a gift of the MIT Class of 1962, honors the prank's 50th anniversary.
362:. The 182.2-smoot (1,017 ft 3 in; 310.1 m) mark is accompanied by the words "Halfway to Hell" and an arrow pointing towards MIT.
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The bridge is marked with painted markings indicating how many smoots there are from where the sidewalk begins on the
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tired from so much exercise and was carried thereafter by the fraternity brothers to each new position.
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enabled the ability to measure distance using smoots, with the standard length of 5 feet 7 inches.
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of the alumni parade across the bridge, celebrating the 100th anniversary of MIT's move from
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Harvard Bridge, Spanning
Charles River at Massachusetts Avenue, Boston, Suffolk County, MA
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A December, 2005 National Public Radio
Interview with Oliver Smoot upon his retirement
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In 2011, smoot was one of the 10,000 new words added to the fifth edition of
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broadcasts at a wavelength of two smoots (3.40 m), i.e. 88.1 MHz.
19:
This article is about the non-standard unit of measure. For other uses, see
1649:
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909:
634:"MIT Celebrates 50th Smoot-aversary with Party, Volunteerism, & Plaque"
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883:"Lambda Chi Alpha national suspends MIT chapter for at least five years"
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1025:"Google Earth backs Smoots as measurement standard | Blue Mass Group"
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575:"Smoot reflects on his measurement feat as 50th anniversary nears"
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831:"By land and by water, MIT celebrates 100 years in Cambridge"
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ANSI Reception
Honoring Oliver R. Smoot as ISO President
1361:
Computer
Science and Artificial Intelligence Laboratory
664:, American National Standards Institute, archived from
459:. Massachusetts Institute of Technology. Archived from
286:
Public knowledge and interest in the story began when
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1013:
Keyser describes his top five hacks - MIT News Office
916:. Philadelphia: Department of the Interior. p. 5
152:
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910:
Historic
American Engineering Record (HAER) (1987).
457:"Smoot makes his mark in standards and measurements"
400:
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Smoot graduated from MIT in 1962, and then attended
161:
155:
149:
1779:Massachusetts Institute of Technology student life
1052:"W|A can: WMBR frequency * smoot / speed of light"
707:"At MIT, future Nobelist not above a prank or two"
509:
897:"LCA banned five years, brothers move out Sunday"
188:, who in October 1958 lay down repeatedly on the
1745:
579:MIT News | Massachusetts Institute of Technology
271:from 2001 to 2002, and then as president of the
753:"Looking Up Words In A Book Not So Strange Yet"
354:students of MIT, have maintained the markings.
275:from 2003 to 2004. He is a distant relative of
784:. Houghton Mifflin Harcourt Publishing Company
273:International Organization for Standardization
1366:Institute for Medical Engineering and Science
1209:
1098:The Smoot story, in Oliver Smoot's own words
962:"Uncovering The 'Smoots' on Harvard Bridge"
778:"American Heritage Dictionary entry: smoot"
638:MIT - Massachusetts Institute of Technology
1216:
1202:
717:
516:. Yale University Press. pp. xiâxvi.
36:
989:"The Measure of This Man Is in the Smoot"
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573:Gillooly, Patrick (September 24, 2008).
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1379:Electromagnetic and Electronic Systems
1050:Wolfram|Alpha Can't (June 13, 2017).
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730:Smoot Group Astrophysics and Cosmology
563:
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454:
42:"364.4 smoots ± 1 ear" painted on the
1326:Abdul Latif Jameel Poverty Action Lab
1258:Humanities, Arts, and Social Sciences
1226:Massachusetts Institute of Technology
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903:
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546:Massachusetts Institute of Technology
495:Massachusetts Institute of Technology
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269:American National Standards Institute
1553:Student Information Processing Board
751:Cornish, Audie (November 13, 2011).
599:Kostoulas, Andy (October 12, 1999).
530:
512:Smoot's Ear: The Measure of Humanity
508:Tavernor, Robert (2007). "Preface".
480:
478:
433:List of unusual units of measurement
704:
485:Durant, Elizabeth (June 23, 2008).
455:Curran, Susan (December 19, 2005).
13:
1430:Research Laboratory of Electronics
14:
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1764:Human-based units of measurement
1426:Plasma Science and Fusion Center
1384:Information and Decision Systems
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661:Speakers Bureau: Oliver R. Smoot
417:
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372:Massachusetts Highway Department
344:
329:On May 7, 2016, Smoot served as
299:The American Heritage Dictionary
257:Georgetown University Law Center
145:
1275:Schwarzman College of Computing
1103:MIT Museum article, with photos
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829:Fleming, Nicole (May 7, 2016).
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705:Gil, Gideon (October 4, 2006).
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365:The markings are recognized as
267:. He served as chairman of the
1310:Health Sciences and Technology
1109: (archived August 6, 1997)
805:"MIT to Recalibrate the Smoot"
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652:
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203:
1:
1077:The smoot as a unit of length
885:. MIT News. October 30, 2014.
803:London, Jay (April 1, 2016),
726:"The SMOOT as unit of Length"
438:
1344:Information Systems Research
1288:Brain and Cognitive Sciences
860:, MIT Museum, archived from
782:American Heritage Dictionary
544:. Cambridge, Massachusetts:
7:
1610:Fraternities and sororities
1533:MIT Science Fiction Society
601:"This Month In MIT History"
396:
240:on the history of the smoot
16:Non-standard unit of length
10:
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1270:Sloan School of Management
857:MIT Trivia: Harvard Bridge
225:
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18:
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1575:Traditions and activities
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1248:Architecture and Planning
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1558:Tech Model Railroad Club
1416:Nuclear Research Reactor
811:, MIT Alumni Association
732:. Laurence Berkeley Labs
323:Cambridge, Massachusetts
317:100-smoot mark with the
263:, where he obtained his
198:Cambridge, Massachusetts
48:Cambridge, Massachusetts
1511:List Visual Arts Center
936:"Repainting the Smoots"
211:measurement uncertainty
171:humorous unit of length
987:Fahrenthold, David A.
326:
277:Nobel Prize in Physics
241:
173:created as part of an
21:Smoot (disambiguation)
1774:Massachusetts culture
1655:Sean Collier Memorial
1527:MIT Technology Review
1475:William Barton Rogers
1349:International Studies
491:MIT Technology Review
316:
235:
226:Further information:
1465:Institute Professors
968:. September 20, 2021
668:on February 22, 2003
425:United States portal
411:Massachusetts portal
247:was selected by his
213:and spelled with an
1789:University folklore
1439:Whitehead Institute
1354:Theoretical Physics
993:The Washington Post
694:, February 26, 2003
82:... is equal to ...
55:General information
1754:1958 introductions
1723:MIT OpenCourseWare
1506:LemelsonâMIT Prize
1434:Senseable City Lab
1401:McGovern Institute
1391:Lincoln Laboratory
1031:. October 10, 2011
942:. October 27, 2023
385:MIT's student-run
378:Starting in 2011,
327:
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169:is a nonstandard,
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1741:
1740:
1630:Kresge Auditorium
1620:Infinite Corridor
1421:Picower Institute
1029:bluemassgroup.com
864:on August 6, 1997
640:. October 4, 2008
523:978-0-300-12492-7
325:in the background
178:fraternity pledge
138:
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70:Conversions
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1769:Lambda Chi Alpha
1718:MIT App Inventor
1711:Notable projects
1660:Wiesner Building
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607:. Archived from
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538:"Smoot in Stone"
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487:"Smoot's Legacy"
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463:on June 20, 2015
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307:April Fools' Day
261:Washington, D.C.
249:Lambda Chi Alpha
182:Lambda Chi Alpha
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1118:What's A Smoot?
1107:Wayback Machine
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64:Oliver R. Smoot
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1071:External links
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1058:) – via
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940:MIT Admissions
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611:on May 4, 2009
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