Posts Tagged ‘Electrons’

Controlling electrons in time and space

Vienna, Austria (SPX) Nov 17, 2016

In an electron microscope, electrons are emitted by pointy metal tips, that way the can be steered and controlled with high precision. Recently, such metal tips have also been used as high precision electron sourc…

NASA finds unusual origins of high-energy electrons

Greenbelt MD (SPX) Nov 16, 2016

High above the surface, Earth’s magnetic field constantly deflects incoming supersonic particles from the sun. These particles are disturbed in regions just outside of Earth’s magnetic field – and some are reflected …

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