Innerworld@lemmy.world to Engineering@sh.itjust.worksEnglish · 7 days agoPalm-sized magnet reaches 42 tesla, approaching the strength of the world’s most powerful magnets while using a few thousand times less power and over 1,000 times smaller coil volumesinterestingengineering.comexternal-linkmessage-square40linkfedilinkarrow-up176arrow-down10
arrow-up176arrow-down1external-linkPalm-sized magnet reaches 42 tesla, approaching the strength of the world’s most powerful magnets while using a few thousand times less power and over 1,000 times smaller coil volumesinterestingengineering.comInnerworld@lemmy.world to Engineering@sh.itjust.worksEnglish · 7 days agomessage-square40linkfedilink
minus-squaregandalf_der_12telinkfedilinkarrow-up1·6 days agodirected magnets are physically impossible https://en.wikipedia.org/wiki/Biot–Savart_law
directed magnets are physically impossible
https://en.wikipedia.org/wiki/Biot–Savart_law