auto-dimming exists (and really, could've been implemented with 1950s technology? as far as I can tell, my lights basically react to oncoming traffic, overhead

auto-dimming exists (and really, could've been implemented with 1950s technology? as far as I can tell, my lights basically react to oncoming traffic, overhead illumination, and taillights. Using dlp-like active repatterning, now that's the fancy part, but just turning on and off and switching between high and low beams doesn't require a high BoM)