It’s usually a neon lamp, a kind of gas discharge lamp. It can run on 230V without an extra resistor, which makes it perfect for this use case. As far as I know there are no neon lamps you can use to light your room, but there are small bulbs you can buy on eBay or Amazon.
This meme is on the startpage, so many people outside of the typical c/fuckcars community will comment.
PFAS, which are needed to produce teflon and other nonstick materials. It currently begins to attack attention, but wasn’t really an issue a few years ago. It doesn’t decay naturally so it will be forever in the environment. The EU is even planning to ban all PFAS.
Colin Furze had the solution for cyclists three years ago: https://youtu.be/vZFDNR9V5Nc