Each mirror acts as a beam-steering device, controlling whether a single picture element (pixel) in the image is light or dark.

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To see whether the next magic number is nearby in the periodic table, the experimenters will now try to produce element 120 by bombarding a plutonium target with a beam of iron ions.

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And, just as light waves of the same frequency can be made to resonate in step with one another and so form a laser beam, it should be possible to make atoms of the same element resonate similarly.

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