Free-electron lasers create coherent light by constantly accelerating a beam of electrons. Free-electron lasers are particularly useful because they can produce radiation with a short-wavelength, down ...
Like all noble gases, xenon is colourless, odourless and inflammable — but it is also more reactive, and much rarer, than its lighter relatives. Ivan Dmochowski ponders how xenon, though initially ...
UK's FTSE 100 drifts to record high in thin year-end trade London's FTSE 100 index hit a record high in quiet trading on Tuesday, the penultimate session of 2025, supported by gains in banks and ...