In a product description, I wonder what these are called. Changing colors. I assume it's an aerated liquid that's side-lit. In a doctor's office. Same device as posted last year, https://365project.org/rhoing/365/2017-07-20
Edit: Something like “LED Lighting Bubble Wall Floor Panel Display”
Retired economics professor (“dismal scientist”). Married 40+ years to the love of my life; we have two grown daughters, both married, two granddaughters and a...