Here are 10 simple, low-tech ways to jumpstart your productivity right away. Streamline your space. Before you do anything else, take a few moments at the start of each day to organize and de-clutter your workspace.
The first operational electron microscope was presented by Ernst Ruska and Max Knoll in 1932, and 6 years later Ruska had a first version on the market. In 1986 Ruska received a Nobel Prize in physics for his fundamental work in electron optics and for the design of the first electron microscope.
Optical microscope invention and the first microscopes. It is widely believed that Dutch spectacle makers, Zacharias Jansen and his father Hans were responsible for making the first compound microscope in the late 16th century (Z Janssen c. 1580 - 1638). The microscope consisted of three draw tubes with lenses inserted into the ends of the flanking tubes. The eyepiece lens was bi-convex and the objective lens was plano-convex, a very advanced compound design for this time period.