Islamic architects and mathematicians were creating quasi-crystalline patterns some 500 years before similar patterns were described in the West, claim two physicists in the US. Peter J Lu of Harvard ...

Patterning and periodic structures are very important in physics. This led to a tremendous amount of work on learning what shapes can tile an area or fill a volume. It was found that these shapes must ...

If someone asked you to walk in a straight line over a constantly shifting floor, you would probably declare it impossible after a few tries and a couple of grazed knees. Researchers studying a ...