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This allows multiple petabits of memory (1 petabit = 178TB) to be addressed in one square centimeter of space.

Given the sugar-cube reference earlier, and that nothing's 2D, much less tons of stacked circuits, I assume they mean one cubic centimeter. Taking that assumption, I point out this problem with that storage claim:

Heat. Good luck dissipating that little cube. Heat's one of the biggest reasons we don't have way higher power machines now, you just can't continually stack things together.

* goes back to reading * very interesting article, though. I'll have to watch the video too. Homework first, though :|




Memristors are completely powered off when not accessed, making heat scale entirely with access speed, not chip size.

Also, memristors are not stacked, they are deposited on a surface a layer at a time. This is a meaningful difference -- stacked chips are much harder to manufacture, and have much worse thermal conductivity than what is essentially a solid chunk of TiO2.




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