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Instead, a nanoscientist may use a scanning tunneling microscope or an atomic pressure microscope. Scanning tunneling microscopes use a weak electric current to probe the scanned materials. Both microscopes send knowledge to a pc, أسعار الذهب في كندا which assembles the information and initiatives it graphically onto a monitor. Atomic power microscopes scan surfaces with an extremely tremendous tip. The only blemish on his record was an eight-spherical draw with Lloyd Christie in 1982.

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