Book Post : 24
Book Name : The Battery : How portable power sparked a technological revolution
Author : Henry Schlesinger
How I came to read it : I like to casually browse books in a library and on one such visit I saw this book and given my background in energy I had to read it.
Did I like it? : Yes I did. It starts off nicely, becomes a tad bit bland in the middle but becomes interesting once again as the military uses of batteries section comes up. I learnt a lot of new facts and trivia about batteries and the equipment they power.
Top 10 things I learned from this book:
1. We all the know the 'Bazooka', the rocket launcher which can be fired from the shoulder. It forms a quintessential part of so many action movies. The original bazooka was ignited by two standard sized D cells on the stock though later models eliminated the batteries altogether. Fun fact: The name 'Bazooka' was given by soldiers, after a musical instrument played by a radio comic called Bob Burns.
2. Its not perfectly clear who invented the Walkie Talkie and is credited to many inventors including the engineering team at Motorola. I will only mention the Canadian connection here. Donald Hings, working at the Consolidated Mining and Smelting Company in Vancouver is said to have the invented a portable 2 way radio in 1937.
3. Duracell was originally called P R Mallory company and it started off by manufacturing Mercury cells. This was the first new battery chemistry in over a century(better than the carbon-zinc config used in the majority of applications then). This was in the 1920s. Sam Ruben was the one who invented the Mercury Cells.
4. There is a law called Faraday's Law of Electrolysis which states that in order to double the output of any battery, the amount of material in that battery must be doubled. The battery industry hit this wall many times and found ways around it.
5. World's first electric watch was released in 1957 by a company called Hamilton(this company was eventually taken over by Swatch). This electric watch was called Hamilton 500 and was priced at $175(around $1,300 today). It had a $1.75 energizer battery which was not too reliable. Elvis Presley bought a Hamilton Electric watch and so did Rod Sterling, the host of Twilight Zone. Will Smith and Tommy Lee Jones wore Hamilton Electrics in the 'Men in Black' movies.
6. Sonotone Corporation, a manufacturer of hearing aids became the first company in 1952 to offer a consumer product using transistors. Transistors were mostly used in military applications till then. AT&T provided the license to Sonotone for the use of transistors. Interestingly the license provided to Sonotone was royalty free in observance of Alexander Graham Bell's devotion to the deaf. AT&T was established by Bell and his father in law.
7. TR-55, a transistorized radio model was released by a then young 10 year old company called the Tokyo Telecommunications Engineering Company. TR-55 was only available in Japan. The company wanted to release its next model TR-63 in the US too. For the exports the company changed its name to something that Americans can easily pronounce: Sony. TR-63 was a huge hit which ultimately popularized the pocket radios.
8. This one is more of a fun fact. Its common that technical advances attract conspiracy theories. We are living in the age of misinformation so we are pretty used to this but the world was not short of conspiracies in the 50s too. One of these theories said that transistors were a product of reverse engineering alien technology salvaged from a crashed alien spaceship.
9. In 1973, Sharp released a pocket calculator called Elsi Mate EL-805. It housed 5 Integrated Circuits and was less than an inch thick. It could run for 100 hours on a single AA battery. This power consumption was 1/9000 of other battery powered calculators on the market. This was chiefly because this calculator used LCD(Liquid Crystal Displays) for the first time ever. This was a big turning point.
10. The Hubble Space Telescope, launched in 1990, had six 125 pound rechargeable nickel hydrogen batteries. Scientists and engineers at that time estimated their life expectancy to be around 5 years. They lasted for 19 years!
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