Why 1954 is marked as an important year for Green Technologies?

Solar cells convert sunlight into an electrical current. The first practical silicon solar cell was created in 1954, by a team of scientists named Daryl Chaplin, Calvin Souther and Gerald Pearson working together at Bell Labs, USA.
The team demonstrated their solar panel by using it to power a small toy Ferris wheel and a solar powered radio transmitter.
Those first silicon cell were about 6 percent efficient at converting the energy in sunlight into electricity. This was a huge improvement over any previous cells.
The year 1954 therefore, marked the beginning of a new era, leading eventually to the realization of one of mankind's most cherished dreams ------
The harnessing of the almost limitless energy of the sun for the uses of civilization.

Bell Labs engineer testing solar battery in 1954

The original Bell Solar Battery

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