> Zero Powers wrote: I'm thinking I'd really like to be able to see the entire
> EM spectrum. But it would probably have to come with an on/off switch or
> radio dial-like selector. Seems like if you saw the entire spectrum *at the
> same time*, it would be pretty difficult to differentiate anything. Perhaps
> everything would look bright white?
If you put it on a logarithmic scale with frequency on the horizontal, the
EM spectrum is infinite in both directions. You would need a device
to filter one actave at a time. spike
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