Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

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Designed for M5Stack Atom, AtomS3, and AtomS3R series IoT controllers based on ESP32 or ESP32-S3 wireless SoC, the Echo Pyramid base enables smart voice ...

Jennifer Nelson writes about all things money--personal finance, investing, saving, credit cards and insurance for numerous publications including AARP, Next Avenue, Credit Karma, Real SImple, Citi ...