RAYX is a simulation tool for beamlines at electron storage rings. It traces synchrotron radiation through a series of mirrors, gratings and more and provides the user with helpful insights, how a ...

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The Post welcomes letters up to 250 words on topics of general interest. Letters must include full name, home address, day and evening phone numbers, and may be edited for length, grammar and ...

After he was imprisoned, Hakamada learned pen calligraphy ... and others in their possession to trace his life in incarceration. His thousands of letters are now invaluable testimonials about ...