In the more than sixty years where scientists have engaged in the Search for Extraterrestrial Intelligence (SETI), several potential examples of technological activity (“technosignatures”) have been considered, reports universetoday.com. While most SETI surveys to date have focused on potential radio signals from distant sources, scientists have expanded the search to include other possible examples. This includes other forms of communication (directed energy, neutrinos, gravitational waves, etc.) and examples of megastructures (Dyson Spheres, Clarke Bands, Niven Rings, etc.) Examples of modern searches include Project Hephaistos, the first Swedish Project dedicated to SETI. Named in honor of the Greek god of blacksmiths,…
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