First Commercial Hard Drive
September 14, 1956
The IBM 350 Disk Storage Unit Model 1 was announced, which was the first commercial storage unit to use magnetic disk storage, the technology behind hard disk drives. About the size of two refrigerators and weighing in at one ton, the 350 could store about 4 – 5 megabytes, depending on how it was calculated.
The 350 would be an integral part of the IBM RAMAC 305 computer, which would be introduced 9 days later on September 13th. The RAMAC 305 and 350 Disk Storage Unit were designed to replace the punch card “tub file” system that was the primary means of storing repeatedly accessed data.
Osborne Declares Bankruptcy
September 13, 1983
The Osborne Computer Corporation declares bankruptcy only two years after producing the first portable computer, the Osborne I. Computer industry lore has it that the “Osborne Effect” killed the company, but it was also due to competitive pressure and mismanagement.
Apple Passes $500 Billion Valuation
February 29, 2012
The stock value of Apple, Inc. surpasses $500 billion, setting a new record for the company which was already the world’s most valuable company at the time. This day marks a milestone on the historic run for the company from near-bankruptcy in the 1990’s to one of the most, if not the most, dominant technology company in recent history. Apple would later become the first company in history to surpass $700 billion in value in February 2015.
Tokyo Skytree Completed
February 29, 2012
Construction of the Tokyo Skytree broadcast tower, delayed two months due to the 2011 Japan earthquake and tsunami, is completed on leap day – February 29th, 2012. The Tokyo Skytree is the tallest structure in Japan and the world’s tallest tower.