A hard disk drive (HDD), hard disk, hard drive, or fixed disk[b] is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage and one or more rigid rapidly rotating platters coated with magnetic material.
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Zeppelin
invented by Theodor Kober
A Zeppelin is a type of rigid airship named after the German inventor Count…
Electronic cigarette
invented by Herbert A. Gilbert
An electronic cigarette is an electronic device that simulates tobacco smoking.…
Ethernet
invented by Xerox PARC
The idea was first documented in a memo that Robert Metcalfe wrote.
DVD
invented by Panasonic Philips Sony Toshiba
The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc)…
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