OMG I thought he encased real goldfish in resin. He hand paints each fish layer by layer within the resin to get this effect. Riusuke Fukahori Paints Three-Dimensional Goldfish Embedded in Layers of Resin
We know that Nora is in trouble because she has been lying to Helmer, and he just gave her a talk on how much he hates when people lie. He thinks lies contaminate a home and cause the children to become liars.
This is so true that on the nights it isn't raining, I sleep to the sound of artificial rain. though it simply can not compare to the real thing. The best thing to fall asleep to is the sound of a raging thunderstorm.