How does Albert Fert's work relate to modern computing?
My discovery of GMR is directly responsible for the explosion of data storage capacity we see today. Every hard disk drive in a laptop or data center uses a GMR read head to detect tiny magnetic bits. Without it, we wouldn't have the terabyte-scale storage that powers cloud computing, streaming services, and big data analytics. But the connection goes deeper. Spintronics, which I helped found, is now driving new computing paradigms. For example, spin-transfer torque MRAM uses electron spin to switch magnetic states without moving parts, offering non-volatile memory that is faster and more energy-efficient than traditional RAM. This could be a breakthrough for low-power computing. We are also exploring spin-based logic devices that could replace transistors. In spintronics, the spin is as important as the charge—and that principle is shaping the future of electronics. The key is to prepare the materials with extreme care to harness these effects reliably.
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