Redditsux@lemmy.world to politics @lemmy.world · 1 个月前Trump, 79, Gets Confused Explaining Water to the Navywww.thedailybeast.comexternal-linkmessage-square136linkfedilinkarrow-up1507arrow-down18file-text
arrow-up1499arrow-down1external-linkTrump, 79, Gets Confused Explaining Water to the Navywww.thedailybeast.comRedditsux@lemmy.world to politics @lemmy.world · 1 个月前message-square136linkfedilinkfile-text
minus-squareFerrous@lemmy.mllinkfedilinkEnglisharrow-up5arrow-down3·1 个月前There are two types: neodymium magnets and samarium–cobalt magnets. Rare-earth magnets are extremely brittle and are vulnerable to corrosion, so they are usually plated or coated to protect them from breaking, chipping, or crumbling into powder.
minus-squareayyy@sh.itjust.workslinkfedilinkarrow-up2arrow-down2·1 个月前Lmao who is downvoting a Wikipedia quote?
minus-squareJohnnyCanuck@lemmy.calinkfedilinkarrow-up2·1 个月前I didn’t, but it also doesn’t mention water
There are two types: neodymium magnets and samarium–cobalt magnets. Rare-earth magnets are extremely brittle and are vulnerable to corrosion, so they are usually plated or coated to protect them from breaking, chipping, or crumbling into powder.
Lmao who is downvoting a Wikipedia quote?
I didn’t, but it also doesn’t mention water