Posted to alt.home.repair,uk.d-i-y
|
|
Wow, expensive lighting!
On Tue, 4 Aug 2020 19:19:37 -0500, dpb wrote:
On 8/4/2020 6:54 PM, Commander Kinsey wrote:
On Wed, 05 Aug 2020 00:35:41 +0100, Snag wrote:
On 8/4/2020 2:13 PM, Thomas wrote:
Brass is not magnetic.
** It has small rare earth magnets glued into the ends .
Which aren't made of earth.
Which is why they're so rare...
The 17 rare-earth elements are cerium (Ce), dysprosium (Dy), erbium
(Er), europium (Eu), gadolinium (Gd), holmium (Ho), lanthanum (La),
lutetium (Lu), neodymium (Nd), praseodymium (Pr), promethium (Pm),
samarium (Sm), scandium (Sc), terbium (Tb), thulium (Tm), ytterbium
(Yb), and yttrium (Y).
Rare earth metals and magnets aren't actually rare. 60 Minutes did a
segment on that in their latest season.
|