Tuesday, August 18, 2015

astro picture for the day/ mathematicians find pentagon that tiles the plain /quote for the day

ESA/Hubble & NASA
Acknowledgement: Judy Schmidt

Quote for the day:

"We have, over again, the fact that criticism of the mathematicians procedure, if it wishes to be relevant, must be based on thorough sympathy and understanding." - Phillip E.B. Jourdain

"In other words: It's possible that that there are dozens — hundreds, thousands even — of these convex pentagon shapes waiting to be discovered. Up until last month, only 14 had been found, and for all anyone knew, that list could have been final."
"But last month, a cluster of computers that Von Derau was using to run though different shapes spit out an intriguing possibility."

Image credit: Casey Mann

They spent two years searching for this with an algorithm they made.


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