[video]
[video]
[video]
[video]
schumann resonance
“Schumann resonances are the principal background in the electromagnetic spectrum[1] beginning at 3 Hz and extend to 60 Hz,[2] and appear as distinct peaks at extremely low frequencies (ELF) around 7.83 (fundamental),[3]14.3, 20.8, 27.3 and 33.8 Hz.[4][5]”
earthing
(Source: hanoux, via freeusapress)