Our gifted class had a project for designing an invention. I basically proposed this, complete with diagrams of how it worked:
https://www.clearmirror.com/product-page/shower-clearmirror?gclid=Cj0KCQjwjrvpBRC0ARIsAFrFuV85pas4Tn-3cOWcE0GnmjPj6nXAby3ZdM-3bqYMD-zEayMW7NdzvnsaAhMPEALw_wcB
then a decade later I assume my teacher sold the idea.