World’s Largest Battery Backup

The city of Fairbanks, Alaska connected to what was at the time the world’s largest battery backup. Designed to help prevent serious blackouts that plagued the city every two to three years, the batteries could provide power to the city for a few minutes – enough time to start up the city’s backup diesel generators. The battery contains 13,760 cells covering more than 10,000 square feet. It was reported that in the first two years of operation, the battery system prevented at least 81 power failures.
First Use of Tape Recorder in Radio

Radio station WQXR in New York City broadcasts a program using a tape recorder for the first time. The tape recorder used was the Phillips-Miller recording system, also known as Millertape, invented by James Arthur Miller.
Apple Passes $500 Billion Valuation

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.

