And this doesn't just happen at congested intersections, it happens everywhere. Now I complain when my brother pulls up practically on the bumper of the car in front at a light, but a couple feet is usually the norm. A car length and a half is STUPID!
Mood necklaces or rings usually contain a chemical that changes color with heat (example cold to warmer black, purple, blue, green, reddish). They then usually have a pamphlet saying what the colors mean.
Basically, the moon's red colour is all about the Earth's atmosphere: if Earth had no atmosphere, the moon would be completely dark during an eclipse. The moon's red or copper hue is caused by scattering, or refraction, of sunlight passing through Earth's atmosphere into the shadow that it casts onto the moon.