My first ever sound gadget was this. How many of you remember? I am sure those who were born in the 80's of prior would have surely used this as a kid. Image Credit - E-Science center When I made it for the first time, my joy knew no bounds since I felt that was a real accomplishment. This was a simple gadget with an empty matchbox, 2 sticks and a thread with which the gadget was made which use to carry the sound from one end to another. They had its own limitations though. It cannot pass through walls. It cannot have bends as the sound carrying capacity would be distorted. Nevertheless, as a kid, I liked it a lot. I have come across various gadgets since then which included the likes of tape-recorder, walkman which was really big and heavy and later when the technology developed, I started using headsets. Again these headsets differed from one brand to another. Some were heavy and some were ultralight. The rates were also fixed for these products depending upon the ...
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