Atomic memory
Researchers at the University of Wisconsin have developed memory that stores information in atoms. Atom-based memories are one of the major challenges of nanotechnology today, as a CD could store 650 megabits, 650 million megabites. Idea, Richard P. It was proposed by physicist Feynman in 1959, when he spoke of the possibility of building smaller and smaller machines to have tools for the direct management of atomization molecules.
Researchers at the University of Wisconsin have used one of these tools, the tunnel-effect scanning microscope, to extract one by one the atoms from a layer of silicon atoms. Each of these hollows corresponds to a bit of information, although in practice (the hollows must be stable, so it cannot be placed next to each other) each bit formed by a system of 20 atoms. However, performing practical versions of the system will still require overcoming many obstacles. Operation at room temperature and rapid accumulation and reading of information should be achieved.
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