Archive for February, 2010
Friday, February 26th, 2010
The Puzzle of the Five Cards
Andy and Bert have worked out a neat card trick, but they need your help to do it. The puzzle for you is to figure out how the trick works. The essence of the trick is that you shuffle a normal pack of 52 cards thoroughlyand give 5 cards to Andy. Andy keeps one card, […]
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Monday, February 22nd, 2010
Three Gods: the “Hardest Logic Puzzle Ever”
This statement of the puzzle comes from Wikipedia. There are subtle variations, but only one puzzle. Three gods A, B, and C are called, in some order, True, False, and Random. True always speaks truly, False always speaks falsely, but whether Random speaks truly or falsely is a random matter. Your task is to determine […]
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Monday, February 22nd, 2010
Pest toast please ignore
If you really have nothing better do then click the link. Don’t say I didn’t warn you.
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Saturday, February 13th, 2010
Are you a Rational?
Many people have had taken a Myers-Briggs Type Indicator (MBTI) or Jung style of psychological test. What you get back is a 4 letter category such as ENTJ, which is supposed to be an assessment of how you perceive the world and how you like to make decisions. http://en.wikipedia.org/wiki/Myers-Briggs_Type_Indicator Here is a free one you […]
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Sunday, February 7th, 2010
The chemistry of methylamphetamine
From a strictly scientific/chemical point of view, I’ve often wondered what actually goes on inside a “meth lab”. This article explains all, and provides enough info to roll your own. Obviously this is something you should not try at home. http://sbillinghurst.wordpress.com/2009/08/13/pseudoephedrine-acetate/ The essential components are: Pseudoephedrine (Sudafed cold tablets) Red phosphorus (road flares) Iodine (medical […]