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Apart from applications, branched nanostructures can also be used to explore fundamental issues such as the wave–particle duality of electrons. In a tetrapod transistor, an electron appears to be true to its nature.

Juggling microparticles with optical tweezers can create three-dimensional quasicrystals with tuneable photonic bandgaps.

Combing through the data from the explosion of a neutron star, astrophysicists have found X-ray oscillations that could provide the first direct clues to the inner workings of these mysterious stellar objects.

New developments in the field of laser physics could at last make extreme ultraviolet wavelengths accessible for high-precision spectroscopy.

Components installed for the ATLAS detector at CERN’s Large Hadron Collider report their first signals — not yet the Higgs boson, but the tell-tale tracks of cosmic muons.

Complementary signatures of inflation that could be found in the cosmic background radiation and through the direct detection of gravitational waves would pinpoint how the early Universe evolved.

Light transmitted by an optical cavity containing a trapped atom shows a certain selfishness — one photon prevents another from entering the cavity.

The question of what material or structure could withstand the intense radiation in a fusion reactor is just one of the challenges to be faced on the road to fusion-based energy production. The answer could be a wall of liquid lithium.