Professor Timo Betz is a biophysicist at the University of Göttingen in Germany. His name is found on widely cited research papers with serious-sounding titles like Neurite branch retraction is caused ...

Scanning tunnelling microscopes capture images of materials with atomic precision and can be used to manipulate individual molecules or atoms. Researchers have been using the instruments for many ...

Simple design: the LEGO microscope (left) and a technical drawing of the instrument. The black eyepiece is at the top, and also visible is the black wheel that is used to adjust the position of the ...