Electron microscope
Ernst Ruska · 1931
The electron microscope began not with biology, but with physics: a test of magnetic lensing on engineered grids. Its first success was mechanical and conceptual — not observational.
On science.briefs
The electron microscope began not with biology, but with physics: a test of magnetic lensing on engineered grids. Its first success was mechanical and conceptual — not observational.