this post was submitted on 18 Feb 2025
6 points (87.5% liked)

Chemistry

686 readers
1 users here now

founded 3 years ago
MODERATORS
 

Dr Thomas de Prinse makes yttrium oxide doped with erbium and ytterbium.

Upconversion: Material absorbs two infrared photons, emits one visible photon.

top 1 comments
sorted by: hot top controversial new old
[–] [email protected] 3 points 2 months ago

"We didn't even get any McDonald's crumbs in our reaction mixture"