A question of interest. If I drop a pebble in a pond, movement is initiated and transferred in waves. If I initiate an electrical switch, impulse moves to the desired article. Circuitry flows through conductors; air is not a conductor. My question is-
what physical flow of wave/impulse/ electrons/whatever occurs when I strike a key on my computer keyboard and the image appears instantly on a computer screen in, say, New Zealand or Alaska.
This is purely an exercise in curiosity; nevertheless, I would be grateful for a reply. My knowledge of physics is at high-school level, plus a lively interest in reading articles on physics (not quantum) over the past sixty years.
Thank you for any response.
Lee Dickman.
what physical flow of wave/impulse/ electrons/whatever occurs when I strike a key on my computer keyboard and the image appears instantly on a computer screen in, say, New Zealand or Alaska.
This is purely an exercise in curiosity; nevertheless, I would be grateful for a reply. My knowledge of physics is at high-school level, plus a lively interest in reading articles on physics (not quantum) over the past sixty years.
Thank you for any response.
Lee Dickman.