Sounds like you’re describing the Progressive Web App (PWA) install that Chrome recently added. Coming to Firefox (if not there already), and Edge. Not holding my breath for Safari though.
This would be a nice alternative to headphones/PC speakers for many use cases. What angle to the ear does it need to be? I.e. can the laser be directly in front of the listener?
Bill Budge (http://en.wikipedia.org/wiki/Bill_Budge) still rocking it at the keyboard after all these years. I played the heck out of his 8-bit games and learned ASM from articles he wrote for Softalk Magazine. Thanks Bill!
Let's keep in mind that electric car owners "fill up" their cars at home. Unlike gas stations these charging stations are only for unusual situations. Most the people you see at gas stations aren't on 200 mile plus trips.