Hard Disk facts
While investigating facts about Hard Disk Sentinel and Hard Disk Drive, I found out little known, but curios details like:
The US Military still uses 8 inch floppy disks on outdated IBM computers to run the nuclear missile systems. It's because they are incredibly hard to hack. The computers are essentially air-gapped and the old IBM computers are reliable. They could run for another 40 years with spare parts.
how hard disk works?
Hard disks are so sensitive to vibration, that just screaming at them diminishes their performance
What hard disk drive?
In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what hard disk format for mac. Here are 17 of the best facts about Hard Disk 3f0 and Hard Disk Health Check I managed to collect.
what hard disk to buy?
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'Disc' refers to optical media (such as a CD) whereas 'Disk' refers to magnetic media (such as a hard drive)
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Modern Hard Disk Drives have read/write heads that float 4 to 5 nanometers above the surface of the disk while it spins. For scale, a human hair is 80,000-100,000 nm thick.
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Since wi-fi is nearly nonexistent in Cuba, people use the "Offline Internet", passing hard disk drives around from person to person
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The safe operating altitude for a hard drive is usually 3000 meters (~10,000 feet) above which specially sealed and pressurised disks should be used. Above 12,000 meters (~40,000 feet) a normal desktop hard drive will completely fail to operate.
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In 1986 Apple made an offer to Lisa/XL owners that they could return their computers and pay $1,498 to receive a Macintosh Plus computer and a Hard Disk. The value of the new system at the time was $4,098 US.
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The data tracks in modern hard disks are 75 nm wide, or smaller than the flu virus
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A man named James Howells, who accidentally threw away his computer hard disk which had Bitcoin worth 42 million.
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The main hard disk is called the "C" drive because "A" and "B" are reserved for floppy and tape drives.
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In 1956 the IBM 350 hard disk drive had 3.75 MB of storage, weighed over 2000 lbs, had to be moved around with forklifts, and was delivered via large cargo airplanes.
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In 2010, Alexander J. Yee & Shigeru K. broke a world record by calculating Pi to 5 trillion digits at home on a desktop computer (twin 6core Xeon processors, 96gb ram, and 20x 2TB hard drives.) It took 90 days; and 3.8 TB disk space was needed to store the final output of decimal and hex digits.
Why hard disk not showing in my computer?
You can easily fact check why hard disk cannot detect by examining the linked well-known sources.
Gold, neodymium and indium are among the rarest elements on earth: accounting for less than 0.00001% of the earth's crust. Indium is used for LCD screens. Neodymium is used in hard disks, loudspeakers, headphones and mobile phones. Recovering and recycling them from e-waste is complicated
25% of the world's hard disk drive production is housed in Thailand. In 2011, major floods destroyed many hard disk drive factories, which had the effect of doubling the price of HDDs. - source
After deeming Super Mario Bros: The Lost Levels too hard for western audiences, Nintendo repackaged their Famicom Disk System game Doki Doki Panic into what we all know as Super Mario Bros. 2 on NES - source
4 Ways to Format a USB flash drive, Hard disk or SD card
Hard Disk Encryption Was a Joke, Hard Disk Encryption is Not safe 100%. Encrypted Data Could Be Stolen. - source
