A sharp piece of graphite from a broken pen is not something you would want in your eyes either
Comment on Pens in Space
NuraShiny@hexbear.net 10 months agoThere is no way either side used lead pencils. Saying lead is in pencils is a very outdated thing, it’s all graphite these days.
Andromxda@lemmy.dbzer0.com 10 months ago
xor@lemmy.dbzer0.com 10 months ago
it hasn’t been graphite for while now either….
pencil lead
Vespair@lemm.ee 10 months ago
Chalk isn’t chalk?
Arcka@midwest.social 10 months ago
Regular chalk is calcium carbonate. Crayola’s website says their sidewalk chalk uses calcium sulfate (gypsum as an ingredient in plaster of paris).
So they’re both calcium salts.
xor@lemmy.dbzer0.com 10 months ago
no