How Science Works: XFEL

LCLS Undulator Hall.

The Undulator Hall at the Linear Coherent Light Source (LCLS) at the SLAC National Accelerator Laboratory (SLAC), USA. Courtesy of SLAC.

If you’ve never heard of XFELs then get ready for that to change. X-ray Free Electron Lasers – to use their full name – are the next big thing in scientific technology and they are reshaping the way we approach some of the world’s most challenging experiments.

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Einstein’s Legacy


When a young Albert Einstein published his theory of general relativity back in 1915, not many people could have estimated the impact it would have. Relativity has changed our understanding of the universe that surrounds us, providing new ways of exploring the fundamental physics that governs our world.
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