1209
US education (lemmy.ml)
submitted 1 year ago* by to c/science_memes@mander.xyz
369 comments fedilink hide all child comments
 
you are viewing a single comment's thread
view the rest of the comments
[–] 1 point 1 year ago (1 child)

You can't see water either, only its effects on light that goes to your eyes

  • permalink
  • fedilink
  • source
  • parent
  • hideshow 2 child comments
    •