(no subject)

After several hours of white-knuckled night driving through the Rockies tonight, I have a suggestion: Car headlights should be polarized, so you could selectively filter out the oncoming lights. Except it would also filter out your OWN headlights, though the reflections back should be less strictly polarized. So the polarization should be defendant on the direction you are going, with a rotating filter hooked up to GPS. That wouldn't be too hard.

Once this idea saves the American auto industry, a thank you in the form of an abandoned industrial plant (with its own rail spur, please) will be sufficient.