TOP 3 inventions of the 20th century

TOP 3 inventions of the 20th century that had the greatest impact on the development of humanity.
The third place is a fast and safe means of transport.
The second is a discovery that saved millions of lives and continues to do so
The fourth allowed technology to exist as we know it.
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[@dorisgonzalez1964]

Buen top👏

[@kevinsorzano5088]

Buen top ! Quería criticarlo cuando leí el título pero no pude JAJAJA

[@gonsemir]

Pienso que no existe un invento donde no intervenga la electrónica ó esté apoyado por esta