ooli3@sopuli.xyz to Science@beehaw.org · 22 days agoThe first really new compass since 1936 - I invented a new type of compasswww.youtube.comvideomessage-square2fedilinkarrow-up117arrow-down12
arrow-up115arrow-down1videoThe first really new compass since 1936 - I invented a new type of compasswww.youtube.comooli3@sopuli.xyz to Science@beehaw.org · 22 days agomessage-square2fedilink
minus-squareskip0110@lemmy.ziplinkfedilinkarrow-up11·22 days agoSummary: its a copper ring to provide induction damping to the compass needle (instead of liquid or a metal base which obscures the map)
Summary: its a copper ring to provide induction damping to the compass needle (instead of liquid or a metal base which obscures the map)