Quantum interference in time

Since the very beginning of quantum physics, a hundred years ago, it has been known that all particles in the universe fall into two categories: fermions and bosons. For instance, the protons found in atomic nuclei are fermions, ...

Symmetry breaking during flapping generates lift

(Phys.org)—A small, translucent sea slug called Clione antarctica swims through the cold waters near the polar regions by flapping its wings. At the same time, tiny cilia that circle the sea slug's body in three bands may ...

Snapshots differentiate molecules from their mirror image

(Phys.org) —Small difference, large effect: Most biological molecules occur in two variants, an original and its mirror image. As a result, they are related to one another like the left hand to the right. For instance, ...

Diamond mirrors for high-powered lasers

Just about every car, train and plane that's been built since 1970 has been manufactured using high-power lasers that shoot a continuous beam of light. These lasers are strong enough to cut steel, precise enough to perform ...

Roosters may have passed the self-recognition test

A team of neuroscientists and psychologists from the Institute of Agricultural Engineering at the University of Bonn, and the Institute of Cognitive Neuroscience at the University of Bochum, both in Germany, has found possible ...

Aztec origin of Elizabethan spirit mirror confirmed

New research has confirmed that an obsidian mirror used by John Dee, confidante to Queen Elizabeth I, to contact otherworldly spirits in his occult practices has Aztec origins.

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