The question of information transmission has intrigued people since prehistoric times. And what didn't they invent to stay in touch! Signal fires, pigeon mail, optical telegraph, Morse code, radio, television, the Internet... Let's learn how all this worked and the...
huge journey humanity has made in search of effective means of communication. For younger schoolchildren.
The question of information transmission has intrigued people since prehistoric times. And what didn't they invent to stay in touch! Signal fires, pigeon mail, optical telegraph, Morse code, radio, television, the Internet... Let's learn how all this worked and the huge journey humanity has made in search of effective means of communication. For younger schoolchildren.
In stock
€ 4.89
Will be delivered to United States on 19 February (Th):
By courier
from
€ 38.94
In stock
€ 4.89
Will be delivered to United States on 19 February (Th):
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The product is delivered directly from the publisher. The order processing time is up to 14 days, you will receive the exact delivery date from the operator after the order confirmation.