4 ms·
I have never read this. I always think of radar as a flashlight, because it's essentially what it is, except with electrons instead of photons. When you have c
by throw1234651234 6y ago
I have never read this. I always think of radar as a flashlight, because it's essentially what it is, except with electrons instead of photons.
When you have car coming from the opposite direction, with its high beams on, you can see it really, really well, even if you keep your lights off (passive HARM).
- rleigh 6y agoMicrowaves are still photons!
- throw1234651234 6y agoI appreciate the correction - I don't really understand this at all. Physics 103 is where my knowledge of anything resembling science ends.
- saltcured 6y agoThe difference is the challenge of imaging those wavelengths. You cannot just use a glass lens to focus a nice sharp picture onto an imaging sensor. Imagine that car is heading towards you, but you have to close your eyes and try to pinpoint its location by judging the shine of light through your eyelids.