it means there's no change in frequency, yehey. so if you got a blue shirt and you're standing in front of a mirror, gang, what's the image color? blue. begin with a bl. what if you got a red shirt, what would the image color be? red. yehey. so we see that, okay? it turns out going through a material to. the frequency stays the same, so the color stays the same. even though the wavelength gets squashed up a little bit, yeah? so that's refraction. show you an example of that, root beer. root beer is syrup in thick, thick mugs, why? why thick mugs? because they can give you less root beer for the same money, right? [laughs] let me test this to make sure it's really root beer. [laughs] it tastes like pepsi to me. [laughs] by golly, it is pepsi, all right? now, you guys be seeing something. the root beer goes right out to the edge, make it look like you got a lot of root beer in there. you got a lot or a little, the answer begin with a l. a little. it turned out a little, because you got a lot of glass. but to the viewer, you see the r

yehey, the whole class. all right. you'd be knowing these things. see? this is gonna be june, right? because what happens in june? we're down in here. look who's catching more energy, huh? what happens six months later? well, take a place that's up a little higher about like san francisco or denver, colorado or oklahoma city, somewhere like that in the mainland, yeah? let's look over here. there down in the summer time, they're getting the energy pretty flushed in, yeah? six months later, over here. all right. now, here they are. but now it's nighttime. this part is a nighttime, isn't it? not here around the day. but look over here. oh, they're only catching a little bit. people down here in buenos aires, they are the ones collecting all the energy, south america. that's why these-- the countries down below, south america and australia, in december, would be having their summers, yeah? and we have ours just the opposite. it kind of makes sense, doesn't it? yes. look at the globe. do you see? look at-- in the summertime, there's the tip toward you, huh? n

yehey. [music] these films are so popular because they minister to a need in the audience to believe the whole american experiment is a success. war is mostly boredom, long periods of boredom, punctuated by terrifying madness and surrealism. but it's impossible to actually show. (explosions) annenberg media ♪ and: with additional funding from these foundations and individuals: and by:

yehey. [music] welcome to another session of beliefs and believers. i'm dr. john simmons, and we're continuing on our journey to try to understand the relationship between myth and ritual. today, as always, we've got another fascinating class. we're going to be looking at what we call in the field primal religions, which includes the religions of the indigenous peoples of the world in africa, america, indonesia, the amazonian basin, and we want to turn to them because it's in that world that myth and ritual really come alive and are really lived, and so it's a good chance for us to test out our dimensions. now we have a native america