TED-Ed: How do hard drives work? - Kanawat Senanan

The video explains the evolution and mechanics of hard drives, highlighting how they store vast amounts of data using magnetic patterns on spinning disks. It discusses innovations that have increased data density, such as thin film lithography and perpendicular recording, while addressing challenges like the superparamagnetic effect. Future advancements, including heat-assisted magnetic recording and bit-patterned media, promise even greater storage capacities.

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