Lasers vs. Microwaves: The Billion-Dollar Bet on the Future of Magnetic Storage

For most of the past 50 years, the areal density of hard disks—a measure of how many bits of data that engineers can squeeze into a given area—increased by an average of nearly 40 percent each year. Lately, though, that rate has slowed to around 10 percent. Everyone who works on magnetic storage is well […]