Why headlights seem more blinding than ever

TheAtlantic Car headlights don't have to be this blinding (122 points, 5 months ago, 129 comments) https://news.ycombinator.com/item?id=48491214

TheDrive Carmakers Don't Think They Should Have to Fix Blindingly Bright Headlights (12 points, 3 months ago) https://news.ycombinator.com/item?id=48985965

ArsTechnica Headlights got brighter, whiter, and more blinding after dark (9 points, 3 months ago) https://news.ycombinator.com/item?id=49164295

i have wondered for a long time (every time i'm blinded) where the legal limit is