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Nicknamed the “Wow!” signal, this was a brief burst of radio waves detected by astronomer Jerry Ehman who was working on a SETI project at the Big Ear radio telescope, Ohio. The signal was, in fact, so remarkable that Ehman circled it on the computer printout, writing “Wow!” in the margin — and unintentionally giving the received radio signal the name under which it would become famous.
In a nutshell, exactly how many ways are there to "listen" or detect an energy?
No. Sound is nothing like electromagnetic radiation.
When we refer to these signals, we are refering to the very wide spectrum of electromagnetic frequencies. Which includes, sound, light, and radiation.
We as humans are limited by our sense organs, and can only percieve a miniscule section of this spectrum. One section of this spectrum appears to us as sound. As this frequency increases in speed we see visible light. As it speeds up more, it gets into the infrared, microwaves and then radio waves respectively.
No. Sound is an analog phenomenon, not digital.
These waves are carried by our atmosphere and physically move a tiny ribbon of conductive metal. As the metal is vibrated by your voice, it is making an electronic connection every time it makes a full cycle of vibration (hertz). As it vibrates it makes a tiny electronic click. Every click is proportional to the clicks caused by the vibration of your vocal cords.
No, they don't. Sound cannot travel in a vacumn.
Light and radiation work in a very similar way.
originally posted by: BS_Slayer
In a nutshell, exactly how many ways are there to "listen" or detect an energy? I know we can detect electromagnetism, light, sound, radiation, but if one were to create a list of every possible "type" of signal or detectable energy there is, how big would it be?
What spurred on the question was wondering what type of energy were we observing when SETI picked up the "Wow Signal".
Another example albeit likely fictitious are EVP Ghost signals and how many individuals in that community are convinced that entities are somehow able to utilize radio waves.
The more I try to grasp things like String Theory, the more I am wondering anything in one dimensional reality could possibly be detected in another and if so, how?
I know that SETI (from what I have read) focuses on a specific band of (Radio?) frequencies.