Colors

[dmaze]

I think this question is mostly for ilai. But it's a detail sort of thing.

Stand at the southeastern corner of Beacon St. and Somerville Ave., preferably after dark. Look at the signals on the commute rail; look at the traffic lights. Are they actually different colors? (And if so, why?)

Comments

[ilai]

Actually the first part of that was a lie, since I've walked by there one time at 3 or 4 am. But I didn't stop and look at the train signals then, for perhaps obvious reasons.