what color do you hear, maydell? orange. yeah, all right. maydell, right here. right here, honey. beautiful. great. you've been a sport. let's hear it for maydell, all right? [applause] now, let me ask you a question. how come you guys heard blue and she heard orange? -- check your neighbor. check your neighbor. check your neighbor. how come she heard orange? hey, is this not neat? is this not neat? at sunset, of course, you're gonna see orange. because at sunset that light is coming through many, many, many, kilometers of air. and what color is being scattered out all along? blue. blue. blue is coming-- all these people looking up see the blue sky. they're seeing the blue that would have got to you. and by the time that light gets to you, honey, it's all tuckered out in high frequencies. almost no high frequencies left. and so what finally gets to you, high or low? - low. - low. and so it turns out the atmosphere is transparent to the low frequencies but not so much to the high. the highs have scattered. and that's why you see the nice colors at sunset. isn't that neat? it, kinda