Which scientific equipment manufacturer caused controversy when they completely redesigned their historic logo in 2019, abandoning a symbol that had represented them for over 70 years?

In the competitive world of scientific instrumentation, brand identity can make or break a company's success. Logos become visual shorthand for quality, innovation, and reliability in laboratory settings. This trivia question tests your knowledge of iconic scientific brand identities that researchers and lab technicians encounter daily. Can you identify which famous science brand underwent a significant logo transformation that sparked controversy in the scientific community?

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Thermo Fisher Scientific - replacing their classic thermometer design with an abstract blue square
Zeiss - changing their iconic lens diagram to a minimalist wordmark
Leica Microsystems - removing the microscope silhouette from their emblem
Mettler Toledo - switching from their balance scale icon to a geometric pattern