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Check out https://www.pcbway.com/ for all kinds of PCBs, easy ordering, and quick delivery. Take a look at their PCB Assembly, for populating the components on your PCBs. Have you ever wondered how Hard Disk Drives can store billions of bits of data within the volume of a short, small brick? Thinking about it, it's really truly incredible that a library worth of data, millions of photos, or thousands of videos can be stored in a device that costs less than $100. Data storage has truly evolved to incredible densities over the past 6 decades, and in this video, we're going to see how exactly a Hard Disk Drive stores data, how it reads and writes data, and then the cutting-edge technologies that are continuing to decrease the size of each bit of data. Do you want to support in-depth engineering and technology education? Support us at: https://www.patreon.com/brancheducation Website: www.branch.education On Facebook: https://www.facebook.com/BranchEducation/ On Twitter: https://twitter.com/TeddyTablante On Insta: https://www.instagram.com/brancheducation/ Table of Contents: 00:00 - Introduction to Hard Disk Drives. 01:00 - Components inside a Hard Disk Drive. 04:42 - Writing to an HDD. 07:40 - Reading from an HDD. 10:11 - Fitting more bits per area. 11:05 - PCBWay Sponsorship 12:12 - Cutting-edge HDD Technology Key Branches from this video are: How do SSDs Work? || How does DRAM Work? Erratum: CMR is 'Conventional Magnetic Recording' not 'Classic' Magnetic Recording. CMR is also called PMR 'Perpendicular' Magnetic Recording. Animation & Modeling: Prakash Kakadiya Animation: Mike Radjabov Script: Teddy Tablante Twitter: @teddytablante Voice Over: Phil Lee Sound Design: www.drilu.world Music Editor & Mixer: Luis Zuleta SFX: Raul Raul Nuñez Sound Supervisor & Editor: Luis Huesca Founder of Branch Education: Theodore J Tablante Animation built using Blender 3.3 https://www.blender.org/ References: Chen, Ben M. Lee, Tong H. Hard Disk Drive Servo Systems 2nd Edition. Springer, 2006. Jacob, Bruce. Ng, Spencer W. ****, David T. Memory Systems, Cache DRAM, Disk. Morgan Kaufmann, 2008. Magnetic Hard Disk https://www.sciencedirect.com/topics/physics-and-astronomy/magnetic-hard-disk Modern HDD Technologies that are bringing hard disks back. Sullivan, Erin. https://www.techtarget.com/searchstorage/ Magnetic Recording on Nanostructures https://www.tu-chemnitz.de/physik/OFGF/research/magnetic_recording.php Hard Disks Give New Technologies A Spin. Feldman, Michael. https://www.nextplatform.com/2019/10/17/hard-disks-give-new-technologies-a-spin/ Hard Drives 101: Magnetic Storage. Bestofmedia Team. https://www.tomshardware.com/reviews/hard-drive-magnetic-storage-hdd,3005-3.html Lasers vs. Microwaves: The Billion Dollar Bet on The Future of Magnetic Storage. Nordrum, Amy. https://spectrum.ieee.org/lasers-vs-microwaves-the-billiondollar-bet-on-the-future-of-magnetic-storage Wikipedia contributors. "Hard Disk Drives". "Magnetic Storage". "Perpendicular Magnetic Recording". "Shingled Magnetic Recording". "Storage Density". Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Visited December 2022 #HardDiskDrive #Storage #Computer