Sorry for off-topic, I'm thinking about making an instructive website for individuals. May possibly begin with submitting interesting facts such as"No piece of square dry paper can be folded in half more than 7 times"Please let me know if  you know where I can find some related information and facts such as here
 
http://www.merkezmotor.com/enterprise-control-composition/
http://www.merhistone.com/when-it-is-a-level-originating-from-a-diploma-or/