### The math of the Rubik's cube

Last August, 30 years after the Rubik’s cube first appeared, an international team of researchers proved that no matter how scrambled a cube got, it could be solved in no more than 20 moves. Although the researchers ...

Last August, 30 years after the Rubik’s cube first appeared, an international team of researchers proved that no matter how scrambled a cube got, it could be solved in no more than 20 moves. Although the researchers ...

Jun 29, 2011
in
Mathematics

0
43

(PhysOrg.com) -- Whether packing oranges into a crate, fitting molecules into a human cell or getting data onto a compact disc, wasted space is usually not a good thing.

Jun 28, 2011
in
Mathematics

0
3

(PhysOrg.com) -- By incorporating geometrical concepts into his artwork, M. C. Escher demonstrated the potential beauty that could be achieved by combining mathematics and art. One of Escher's most well-known types of art ...

Australian researchers have done the impossible -- they’ve found the sixty-trillionth binary digit of Pi-squared! The calculation would have taken a single computer processor unit (CPU) 1,500 years to calculate, but ...

Apr 29, 2011
in
Mathematics

0
35

(PhysOrg.com) -- In a move that must have been at least partly aimed at provoking prideful nationalism, Lutz Bornmann of the Max Planck Society in Munich and Loet Leydesdorff from the University of Amsterdam have put together ...

(PhysOrg.com) -- A study recently released by a team from Northwestern University and the University of Arizona shows that religion and religious affiliations may be on the verge of extinction in the nine countries studied. ...

The "lily white" has inspired centuries' worth of rich poetry and art, but when it comes to the science of how and why those delicately curved petals burst from the bud, surprisingly little is known.

Mar 21, 2011
in
Mathematics

0
0

(PhysOrg.com) -- A new study by mathematicians in Australia has explained how skin remains stable in water and does not dissolve, and why it wrinkles and remains a strong barrier even after absorbing large quantities of water.

(PhysOrg.com) -- A mathematician in the Indiana University College of Arts and Sciences is being credited with resolving a 65-year-old problem in combinatorial geometry that sought to determine the minimum number of distinct ...

Feb 25, 2011
in
Mathematics

0
8

(PhysOrg.com) -- Since early October 2008, when the Dow Jones Industrial Average began its drop that reached a low point the following March, many questions have been raised - particularly about what caused the crash and ...