Number 61 » inventions http://number61.net by Matthew Gipp Mon, 07 May 2012 14:04:06 +0000 en hourly 1 http://wordpress.org/?v=3.3.2 The Happiness Hat http://number61.net/2009/11/the-happiness-hat http://number61.net/2009/11/the-happiness-hat#comments Fri, 06 Nov 2009 02:38:34 +0000 Matthew Gipp http://number61.net/?p=2885 Uses a bend sensor to tell if you are currently smiling. If you are not, it jabs a small spike into the back of your head.

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