A geometric shape that does not repeat itself when tiled

A quartet of mathematicians from Yorkshire University, the University of Cambridge, the University of Waterloo and the University of Arkansas has discovered a 2D geometric shape that does not repeat itself when tiled. David ...

The physics of badminton

(Phys.org)—When it comes to flying projectiles, the badminton shuttlecock or "birdie" is unusual in that it flips on impact with a racket so that it always flies cork-first. This flipping motion arises from the fact that, ...

Human hybrids: a closer look at the theory and evidence

There was considerable fallout, both positive and negative, from our first story covering the radical pig-chimp hybrid theory put forth by Dr. Eugene McCarthy, a geneticist who's proposing that humans first arose from an ...

Researchers showcase cylindrical mirror on iPad

(PhysOrg.com) -- A research team from a women's university in Japan is developing a cylindrical mirror for use with the multi-touch iPad. The mirror could send online shoppers into new optical highs. The group, from Ochanomizu ...

Physicists propose test for loop quantum gravity

(PhysOrg.com) -- As a quantum theory of gravity, loop quantum gravity could potentially solve one of the biggest problems in physics: reconciling general relativity and quantum mechanics. But like all tentative theories of ...

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