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.
Around 1600, the microscope was invented, possibly by Hans and Zacharias Jansen. Due to poor lens quality, the early compound microscopes (ones that used two lenses) could only magnify an object up to 20 or 30 times its normal size.