element159 ✭✭✭

That AI answer is completely wrong. The effect is just the same as Newton's Rings. You can get a very thin gap between the Mylar layers, so thin that it is only a few times the wavelength of lig… (View Post)

That 'parchment' paper is a giveaway, as are the signatures that are printed in the same black color as the rest of the design. (Signatures were usually handwritten, typically in brownish i… (View Post)

This is not my note, but it is indeed a nice name. (View Post)

That's a pretty strong first note!!! Wow!!! (View Post)

Yes, a more accurate word is "REVENUE", not "PROFIT". (View Post)