Editing Invention (section)

==== Play ====
[[File:Gutenberg-Presse im Gutenberg-Museum, Mainz, Deutschland (48988294536).jpg|thumb|200px|[[Johannes Gutenberg]]'s [[Gutenberg press|printing press]] was voted the most important invention of the second millennium.<ref name="Man of the Millennium">{{cite web |url=http://rhsweb.org/library/1000PeopleMillennium.htm |title=Gutenberg, Man of the Millennium |archive-url=https://web.archive.org/web/20120303082307/http://rhsweb.org/library/1000PeopleMillennium.htm |archive-date=3 March 2012 |work=1,000+ People of the Millennium and Beyond |year=2000}}</ref>]]
Play may lead to invention. Childhood curiosity, experimentation, and imagination can develop one's play instinct. Inventors feel the need to play with things that interest them, and to explore, and this internal drive brings about novel creations.<ref name="inventionatplay1">{{Cite web |title=Lemelson Centers Invention at Play : Inventors Stories |url=http://www.inventionatplay.org/inventors_main.html |publisher=Inventionatplay.org |url-status=dead |archive-url=https://web.archive.org/web/20131020073009/http://inventionatplay.org/inventors_main.html |archive-date=2013-10-20 |access-date=2013-10-03}}</ref><ref>Juice: The Creative Fuel That Drives World-Class Inventors (2004), pp. 14–15 by Evan I. Schwartz.</ref>

Sometimes inventions and ideas may seem to arise spontaneously while [[daydreaming]], especially when the mind is free from its usual concerns.<ref>Claxton, Guy. "Hare Brain, Tortoise Mind: Why intelligence increases when you think less". Fourth Estate, London, 1997.</ref> For example, both J. K. Rowling (the creator of [[Harry Potter]])<ref>Smith, Sean. "J. K. Rowling: A Biography." Michael O'Mara Books Limited, 2001.</ref> and Frank Hornby (the inventor of [[Meccano]])<ref>Jack, Ian. "Before the Oil Ran Out: Britain 1977–87". Martin Secker & Warburg Ltd, 1987.</ref> first had their ideas while on [[train]] journeys.

In contrast, the successful aerospace engineer [[Max Munk]] advocated "aimful thinking".<ref>{{Cite web |title=Engines of our Ingenuity No. 1990: Max Munk |url=http://www.uh.edu/engines/epi1990.htm |access-date=2017-03-05}}</ref>