[DOC] [TLE] Kites as a category on Jeopardy 11/10/2010 - GWTW Forum [PAR] Nov 8, 2010 ... said the fish in the pot, "They should not fly kites in a house! They should not" = 
The ... $800: The box kite, invented by Lawrence Hargrave in the 1890s, is so 
stable that it doesn't need this usual kite feature = tail #4237, aired... [DOC] [TLE] Box kite - Wikipedia [PAR] A box kite is a high performance kite, noted for developing relatively high lift; it is 
a type within the family of cellular kites. The typical design has four parallel struts. 
... The dihedrals of the sails help stability. ... Hargrave linked several of his box 
kites (Hargrave cells) together, creating sufficient lift for him to fly some 16 ft (4.9 
m)... [DOC] [TLE] Lawrence Hargrave - Wikipedia [PAR] Lawrence Hargrave, c.1890. Born, (1850-01-29)January 29, 1850. Greenwich, 
England. Died, July 6, 1915(1915-07-06) (aged 65). Nationality, Australian. 
Lawrence Hargrave, MRAeS, (29 January 1850  6 July 1915) was an Australian 
engineer, explorer, astronomer, inventor and aeronautical ... This experiment was 
widely reported and established the box kite as a stable... [DOC] [TLE] Lawrence Hargrave Flying Machine Model Inventions - from ... [PAR] Thumbnail of Lawrence Hargrave ... studies of wing surfaces for flying-machines, 
and invented the box kite. ... Flying-Machine Model and Kite Inventions ... the 
plane being kept normal to the surface of a trochoidal wave, having a period 
equal to the ... M. Hargrave stretched the rubber so that its elongation was 
multiplied by... [DOC] [TLE] Kites: A brief history for students and teachers - Peter Batchelor [PAR] Kites in the Classroom was developed as part of Peter Batchelor's work towards 
... Some people think that kites may have been invented even earlier, ... in 1618, 
shows children flying kites of the diamond shape so common today. ... Lawrence 
Hargrave experimented near Sydney in the 1890s with a number of kite designs. [DOC] [TLE] Kite for a Purpose (The Golden Age of Kites?) - The Kite Society of ... [PAR] tive title could be 'Kites for a Purpose'  all those kitefliers included in this article 
.... 1891 Hargrave invented the cellular kite (or box kite) he had been working on
... [DOC] [TLE] A model of collective invention - econterms.net [PAR] Jun 1, 2008 ... After working at an astronomical observatory, Lawrence Hargrave of Sydney, 
Australia, was able to ... A box kite is shaped like a box but has no top or bottom, 
so that the wind can flow through it. In the early 1890s Hargrave demonstrated 
persuasively that box kites were more stable in the air than flat kites. [DOC] [TLE] The aerial view: how did we get here? | Billboyheritagesurvey's Blog [PAR] Mar 7, 2012 ... I see the invention of the aircraft as an 'emergent technology' which happened as 
so ... of the average steel 'safety' dropped from 45lb in 1890 to 22lb in 1895.3 ... 
By 1893 Lawrence Hargrave's Box Kite appeared, it was the big ... was 
considered so laterally stable as to be almost unsteerable other than in... [DOC] [TLE] Knowledge Point - Timeline | Facebook [PAR] On November 12, 1894, Lawrence Hargrave was lifted from the ground by a train 
of four of his "cellular kites". This was simply one stage in his quest for a stable... [DOC] [TLE] Discourse Issue 4 - Drachen Foundation [PAR] Apr 1, 2009 ... Discourse features a detailed description of travels in China: .... In 1893 
Australian inventor Lawrence. Hargrave ... past the usual roadside trees into a 
more ... Don flying Test Site: Hargrave triple cell box kite failed experiment from 
the 1890s remade in 2008. ..... heard so much about the Wei family, I was. [DOC] [TLE] Here's - KiteLife [PAR] The Diisseldorfer explains how shape creates stability in his soft kites. ..... The 
assembly of the frame is typical of most ... The kite was so good at ground

Question: The box kite, invented by Lawrence Hargrave in the 1890s, is so stable that it doesn't need this usual kite feature
Answer: tail