Largest magnetic field inside the laboratory

The chemists of the English laboratory Rutherford Appleton manage to induce a magnetic field with an induction of 400 megagauss. For this they have passed laser pulses of great force through a dense plasma.

The laser pulses used in the experiment last a few picoseconds, so in addition to the powerful magnetic field, scientists have produced a light emitted by the plasma. The measure of this light has determined the induction of the magnetic field.