Long Delay Echoes (LDEs)

Referenced in 1 episode

Definition

Phenomena in radio communication where signals are reflected back after a long delay, sometimes interpreted as potential communications from extraterrestrial sources.

Related episodes

Top Astronomer: “I Found 100,000 UFOs Above Earth!” (ft. Beatriz Villarroel)

American Alchemy (Podcast)Oct 25, 2025

In this episode, Beatriz Villarroel discusses her groundbreaking research on transient light flashes observed from digitized plates at the Palomar Observatory. Her findings suggest that many of these flashes may represent physical objects around Earth long before the advent of satellites. The conversation also explores the connections between UFOs, nuclear tests, and government secrecy.

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