When was the first commercially available Scanning Tunneling Microscope (STM) launched to the scientific community, revolutionizing atomic-scale imaging?

Test your knowledge about the timeline of groundbreaking scientific product launches that changed research capabilities forever! Scientific instruments and tools often represent turning points in our ability to understand the natural world, enabling discoveries that were previously impossible. This poll challenges you to recall when a particularly significant scientific innovation first became commercially available to researchers.

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1986 (by IBM Zurich Research Laboratory)
1975 (by Bell Laboratories)
1992 (by Hitachi High-Technologies)
1981 (by Oxford Instruments)