Cracks in spacetime

My attempt at the "Macro Mondays" theme "Crack".

 

Once again staring too intensely at the bottom of my glass, I guess...

 

This crack in a beer glass is not small (roughly 4 cm long) and yet the glass has worked perfectly for years.

 

Shot with a LOMO "Mikroplanar 100 mm F 4.5" lens on a Canon EOS R5.

Done