pc486@sh.itjust.workstoToday I Learned@lemmy.world•TIL Circuit City created a proprietary disposable type of DVD called a DIVX that was viewable for only 48 hours after initial viewing unless an additional fee was paid. Which led to bankruptcyEnglish
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1 month agoThese disks were designed to self-destruct in the presence of oxygen. They literally rust away.
Oxygen and its O2 form does like to sneak into everything. Even sealed in the original packaging, there’s a limited shelf life. Flexplay claimed stability of only one year, which isn’t much given it comes sealed in a plastic bag.
Specifically 5, 10, and 15mhz AM. There are others, but you’ll really hear NIST WWV/WWVH if you’re in North America/Pacific.