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Front Brake Lights Could Drastically Diminish Road Accident Rates
(bioengineer.org)
This is a most excellent place for technology news and articles.
Actually I think I remember watching a technology connections video about how card in the US can use the headlights as a turn signal, or something like that. I don't think that's allowed in Europe or the EU or whatever.
Found it https://www.youtube.com/watch?v=O1lZ9n2bxWA