It isn't alive, and has no structures even approaching the complexity of the brain, but a compound called vanadium dioxide is capable of 'remembering' previous external stimuli, researchers have found.
."We didn't expect to see this kind of memory effect, and it has nothing to do with electronic states but rather with the physical structure of the material. It's a novel discovery: no other material behaves in this way."stored some kind of information on the most recently applied current for at least three hours. It could, in fact, be significantly longer –"but we don't currently have the instruments needed to measure that," Matioli says.
The switch is reminiscient of the behavior of neurons in a brain, which serve both as a unit of memory and processor. Described as , computing based on a similar system could have a real advantage over classical chips and circuit boards.seems to tick all the wishlist boxes for memory devices: potential for high capacity, high speed, and scalability. In addition, its properties give it an edge on memory devices that encode data in a binary format controlled by electrical states.
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