db2@lemmy.world to Lemmy Shitpost@lemmy.world · 3 天前I will be taking no followup questions. Thank you for your timelemmy.worldimagemessage-square90fedilinkarrow-up1536arrow-down15
arrow-up1531arrow-down1imageI will be taking no followup questions. Thank you for your timelemmy.worlddb2@lemmy.world to Lemmy Shitpost@lemmy.world · 3 天前message-square90fedilink
minus-squareBobo The Great@startrek.websitelinkfedilinkarrow-up8·3 天前They definitely didn’t have neodinium magnets, as neodinium being a lantanide metal was discovered only recently (1700s or 1800s) and requires extremely advanced (for the time) metallurgy and chemistry to extract from minerals.
They definitely didn’t have neodinium magnets, as neodinium being a lantanide metal was discovered only recently (1700s or 1800s) and requires extremely advanced (for the time) metallurgy and chemistry to extract from minerals.