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Telegraph: Francis Ronalds
It worked transmiting electrical signals over a wire laid between stations.
People used it to comunicate people in short distances but after they had to ampliate the radio of distance in where it coud worke. -
Telephone: Antonio Meucci
It was an invent that worked with electromagnetic transmition of vocal sound.
It served to people to talk between them without the necesity to be in the same place. This phones had the inconvenient that were inamovibles. -
Television: Paul Nipkow
Paul Nipkow didn't created the television as we know it now but he crated the bases in which the creator based to create the invent.
The television show to as images. It works turning a picture and sound into a signal. -
Radio: Gulielmo Marconi
It works transmiting sound using the radio waves or electromagnetic waves.
It served in wars but it also serves to share information or music. Normally people can only listen. -
Computer: Charles Babbage
Now wwe can use the computer for a lot of things: comunicate, calculate but we can also use it for entretainment.
The first computers were only able to calculate. -
Mobile phone: Marty Cooper
This invent allows people to talk with other people while they are walking or moving or doing something. It works using radio waves to comunicate. -
Tablet: Alan Kay
The creator created this invent whith the idea of primarily serve to give children easy access to any digital media.