March 15th, 2024
1. Apec 3/16: Horizon Drive, Graviflyer & Gravitational Coupling (altpropulsion.com) (30)
00:00:06  |   Reddit  | direct:reddit (1157)

March 9th, 2024
1. Apec: Alternative Propulsion Engineering Conference (altpropulsion.com) (30)
16:30:26  |   Reddit  | twitter (8353)
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