It occurred to me a while back that it is possible to make an Edison cylinder arbitrarily long. No similar condition exists for disc records.
@smj this makes me so happy
@smj Those cylinders are great. I used to have one, but it got damaged and destroyed.
Passive mediums = safe mediums, unbackdoorable.
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko