Daily Science Fact-Have aliens visited Earth?

Saturday, September 17, 2016

Have aliens visited Earth? No This is a picture of a dust mite magnified using an electron microscope.
An electron microscope uses an electron beam to create an image. They are capable f magnifying an object up to 2 million times.
Ernst Ruska and Maximillion Knoll are given credit for creating the first electron microscope in 1931.

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