Missing Monsoons

Missing Monsoons

using lenses to bend light, which either passes through or is reflected back the specimen under scrutiny. An electron microscope employs the same principle-except that it uses a beam of-electrons instead of light to create a magnified image. The new STMs utilize a different method altogether: A small probe passes closely over a specimen, senses the contour of the atoms on its surface, and sends the information to a computer, which generates a picture.
Early versions of the STM (as with electron...

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