How much has the battery improved during the last 150 years when compared to

                                                                                         

How much has the battery improved during the last 150 years when compared to

other advancements?

How much has the battery

improved during the last 150 years when compared to other advancements?

In the early 1900s, the electronic vacuum tube was invented, which enabled

generating and amplifying signals. Soon thereafter broadcasting through the

air by radio waves became possible. The discovery of the transistor in 1947

led to the development of the integrated circuit ten years later. Finally,

the microprocessor ushered in the Information Age and revolutionized the way

we live.
How much has the battery improved during the last 150 years when compared to

other advancements? The progress has been moderate. A battery holds relatively little power,

is bulky, heavy, and has a short life span. Battery power is also very

expensive.
Yet humanity depends on the battery

as a power source. In the year 2000, the total battery energy consumed

globally by laptops and mobile phones alone is estimated to be 2,500MW. This

equals 25,000 cars powered by a 100kW engine (134hp) driving at freeway

speed.
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