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Photo credits:
Cover: © Chimie ParisTech - Laurent Ardhuin - © Vladi333, Phonlamai Photo - Shutterstock
Inside pages: © Mario Anderle - © Chimie ParisTech - Laurent Ardhuin - © French Vacuum Society - © John Grant -
© Korean Vaccum Society - © Ivan Petrov - © Vitaly Korovin - Shutterstock - © Lars Westerberg - © Georgejmclittle, Shutterstock