WTF is "cold iron", and why's it so special?

[Maxperson]

The only known natural nuclear reactor? (points at the sun) Are they sure about that?

It does say fission and the sun is fusion, so different kind of reactors maybe.

 

[CleverNickName]

It does say fission and the sun is fusion, so different kind of reactors maybe.

Yeah, that's a fair point. Fusion or fission, the sun is the nuclear reactor that powers almost everything on Earth.

 

[Maxperson]

Yeah, that's a fair point. Fusion or fission, the sun is the nuclear reactor that powers almost everything on Earth.

Hmm. I've always wondered where my ex got the power to fuel all that cold hatred that burns at her soul.

 

[CleverNickName]

Hmm. I've always wondered where my ex got the power to fuel all that cold hatred that burns at her soul.

Well, unless she's one of those rare geothermal-powered exes, she's probably solar-powered like the rest of life on earth.

 

[Maxperson]

Well, unless she's one of those rare geothermal-powered exes, she's probably solar-powered like the rest of life on earth.

She's pretty alien sometimes, but not as alien as those lifeforms at the bottom of the ocean at those vents, so I'm going to go with solar.

 

[Bohandas]

Recently started rereading Lords and Ladies and was reminded that in Discworldit's MAGNETIC iron that causes special harm to elves/fairies