Schrodingers cat is…
Posted by mathfail
on May 21, 2010
2 comments
(5.00 from 4 votes)
Loading ...“The Purple Nurple Optical Illusion” and more
Posted by mathfail
on May 21, 2010
10 comments
Walter Anthony has some pretty neat optical illusions on his website. The one below is very cool and has been nicknamed the “purple nurple”:
Another optical illusion I like (not sure who created this one) is the following:
(4.67 from 3 votes) Loading ...Geometry teacher uses ‘assassination’ example to teach angles – Secret Service shows up
Posted by mathfail
on May 18, 2010
1 comment
A geometry teacher used the example “assassinating President Barack Obama” as a way to teach angles to his geometry students. He was teaching the students about parallel lines and angles and used the example of where to stand and aim if shooting Obama. He said:
“If you’re in this building, you would need to take this angle to shoot the president.”
Authorities were called and the high school math teacher was questioned by the Secret Service, but was later let go as he didn’t pose a threat.
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(4.20 from 15 votes) Loading ...Quick joke
Posted by mathfail
on May 14, 2010
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(No Ratings Yet) Loading ...Brain teaser
Posted by mathfail
on May 14, 2010
5 comments
My friend just finished a job interview and was asked the following question that I thought I’d share with you (it’s a somewhat common puzzle):
You are given 8 balls, 7 of which are the same weight and 1 which is heavier than the rest. Using a balance, what is the minimum number of weightings required to determine which ball is the heavier one?
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