Chemistry of the cosmological dark ages studied in the lab
Just three minutes after the Big Bang the chemical composition of the universe was settled: 75% hydrogen, 25% helium and traces of lithium –... [mehr]
Max-Planck-Institut für Kernphysik
First results of the new Alphatrap experiment
Quantum electrodynamics (QED) describes the interaction of charged particles with electromagnetic fields and is the most precisely tested physical... [mehr]
Laser flashes for polarized electron and positron beams
The polarization of waves describes their direction of oscillation, for light as an electromagnetic wave this is the direction of the electric... [mehr]
New German-Japanese Cooperation for Highest Precision
In the MPG-PTB-RIKEN Centre, worldwide leading experimental groups in atomic and nuclear physics, antimatter research, quantum optics and... [mehr]
Time measurement without a stopwatch
Understanding and control of ultrafast quantum dynamics in matter is one of the central challenges in modern physics. In most cases, the response... [mehr]
Rapid water formation in diffuse interstellar clouds
Accumulations of gas and dust in space can be observed with telescopes as interstellar clouds. Despite the low temperatures and densities, a rich... [mehr]
Gamma-ray flashes from plasma filaments
The typical wavelength of light interacting with an object of the microcosm scales with the size of this object. For atoms, this ranges from... [mehr]