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.
Light microscopes date at least to 1595, when Zacharias Jansen (1580â1638) of Holland invented a compound light microscope, one that used two lenses, with the second lens further magnifying the image produced by the first.