2026-03-12 08:59:24 UTC
in reply to

Henry on Nostr: @rusty as quartz allows UV through have you used your spectrometer to see the ...

@rusty as quartz allows UV through have you used your spectrometer to see the difference between natural quartz and fused quartz and typical window glass and borosilicate glass as I have read the latter can allow UVA and UVB through it.