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Individual Atom Memory Created
azav writes "University of Wisconsin-Madison Scientists have created "atomic scale" memory using individual atoms of Silicon." A cool photo can be found on the site as well.
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As a matter of fact, yes.
Not all atoms are the same size. Remember what you learned about atomic weights?
Whoever stated that signature sizes should be limited to one hundred and twenty characters can just go ahead and kiss my
"Reading the memory consists of a simple, one-dimensional scan, because it is self-formatted into precise tracks. There is no need to search in two dimensions for the location of a bit. The signal is highly predictable since all atoms have the same shape and occur on well-defined lattice sites. That allows for a high level of filtering and error correction"
"Writing is more difficult. While atoms can be positioned controllably at liquid helium temperature, that is much harder to achieve that at room temperature"