Human’s history is full of stories of technological innovation. It is what helped us to be the first species to go to the moon, after all. And here, we’d like to discuss three tech pieces that were ubiquitous in the past but have become relics or even collectibles today.
Radio
The word radio here does not only refer to the gadget that people in the 90s or older used to hear music, but also the transmission method of utilizing the radio wave in the air. In fact, the word ‘on-air’ was originated from the radio culture we had.
However, even though almost no one hears music from radio today, the military is still using this medium for its versatility and privacy. If you’ve never heard of the word ‘comint,’ it stands for Communication Intelligence, which is a heavily encrypted transmission …