What breakthrough did giant magnetoresistance lead to?
Quantum computing
Gigabyte hard disks
Solar panels
Fiber optics
Answer
Gigabyte hard disks were made possible by the breakthrough of giant magnetoresistance (GMR). GMR is a phenomenon that occurs when the electrical resistance of a material changes significantly in the presence of a magnetic field. This discovery led to the development of new types of magnetic sensors that are much more sensitive than traditional sensors.
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