Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Electron microscopy has existed for nearly a century, but a record ...

Using light to measure ever-smaller objects has been central to progress in many scientific disciplines for centuries. As far back as 1873, German physicist Ernst Abbe proved that light diffraction ...

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For hundreds of years, the optical microscope was the only tool available to scientists wanting to study the movement of cells, bacteria and yeast. But the diffraction of light made it impossible to ...