13 Jan 06
http://www.newscientist.com/article.ns?id=dn8575
Now, nanomagnetic logic gates! They talk about a gate called a
'majority inverter'. Anyone familiar with it? I know all about the
normal logic cells, And, Nand, Or, Nor, Xor, Xand, and so forth but
this one is a new one for me. Majority inverter, takes say, 6 inputs
and if any four go to ones, the whole thing inverts?
13 Jan 06
Originally posted by lauseyThats true, you only need Nand OR Nor's, not both.
Actually, the article implies that you need both NAND and NOR to create other logic gates. You only really need either of them. :-)
The concept of nanomagnetic logic gates look very interesting though.
I wonder if these new gates could have quantum logic tricks, that
would simplify things even more: A quantum logic cell can
be an AND gate and an OR gate and an XOR and XAND
AT THE SAME TIME, not only that but simultaneously!
13 Jan 06
I've known about this research (spintronics) for a while and it is certainly very interesting and has great potential. The difference is made by the fact that the electron spin is used as opposed to the electron charge to hold data. Like you said this does allow for quantum computation which makes the research even more potentially groundbreaking.