Birdwatch Note Rating
2023-02-10 03:29:32 UTC - HELPFUL
Rated by Participant: 5F3FEEEA4B65ED345DAE872C369EBD16D567DEAC24EF4BC2780EA275F1673238
Participant Details
Original Note:
High-frequency Active Auroral Research Program (HAARP) is a scientific facility for studying the ionosphere that directs microwaves (2.7 to 10 MHz) into the upper atmosphere. https://www.britannica.com/topic/HAARP Seismic waves are infrasonic (~20Hz) waves travelling underground at great distances. https://www.britannica.com/science/infrasonics
All Note Details