ELI5. why do scientists always search for radio sygnals in space? Why do they think aliens use that to communicate?
In: Technology
The radio spectrum is a pretty big part of the entire electromagnetic spectrum, including things like radar, ultra-sonic communication, microwaves, etc. It also has the capacity to travel long distances with minimal deterioration in signal strength. If there are beings out there who wanted to use more than just their bluetooth keyboard or their 5G Samsung S20’s, they would need to delve into the radio spectrum so they could communicate further out to their friends and neighbors.
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