With the inventions of transmission electron microscopy (TEM) in 1931 and scanning electron microscopy (SEM) shortly after in 1937, scientists gained an unprecedented ultrastructural view of the ...
(a) A scanning electron microscope (SEM) image of the nanoneedle probe used for the measurements. (b) Elasticity map of a 1 µm × 1 µm area on the nuclear surface, showing the change in elasticity ...