Chemistry For Your Life

This week, Melissa and Jam explore three very different, but related, light phenomena. We'll discuss situations when light can be bent, slowed down, and even broken. It's gonna be lit.

Show Notes

#024 Rebroadcast

This week, Melissa and Jam explore three very different, but related, light phenomena. We'll discuss situations when light can be bent, slowed down, and even broken. It's gonna be lit.

References from this episode

  1. Why do rainbows form instead of just straight bands of colors? And why do they appear to touch the ground? - Scientific American
  2. What causes a mirage? - Scientific American
  3. Chemistry, Edition 1 - Julia Burdge

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What is Chemistry For Your Life?

A podcast that helps you understand the fascinating chemistry hidden in your everyday life.

Have you ever wondered why onions make you cry? Or how soap gets your hands clean? What really is margarine, or why do trees change colors in the fall? Melissa is a chemist, and to answer these questions she started a podcast, called Chemistry for your life!

In each episode Melissa explains the chemistry behind one of life’s mysteries to Jam, who is definitely not a chemist, but she explains it in a way that is easy to understand, and totally fascinating.

If you’re someone who loves learning new things, or who wonders about the way the world works, then give us a listen.

Melissa:

Hey, y'all. Since we're in the middle of a series on weather, clouds, rain, lightning, all the fun stuff, we wanted to revisit how rainbows work, why they look the way they do, and we got a special request for this episode from Adriana, the cosmetic chemist. So thanks, Adriana, for that suggestion. And if you have a suggestion of an old episode that you love and that you wanna hear again, please feel free to reach out to us.

Jam:

This one's super cool. And like a lot of our older episodes that have been, like, a year or more ago, there could be a bunch of you guys who've never heard it. And so that's another reason why we do this, obviously. So please take this episode out. You probably didn't know we had one about Rambo's and Mirages.

Jam:

So check it out, and it's perfect, in our series that we're already doing. So we'll be back with a new episode next week.

Melissa:

And I gave Jim a little spoiler, so he actually knows this already, although, normally, he doesn't. That episode is part of our series on clouds and the weather. It's gonna be about lightning. So that'll be really fun. Be sure to come back and check that out.

Melissa:

Hey. I'm Melissa.

Jam:

I'm Jam.

Melissa:

And I'm a chemist.

Jam:

And I'm not.

Melissa:

And welcome to Chemistry For Your Life.

Jam:

The podcast help you understand the chemistry of your everyday life.

Melissa:

Jim, what's up? What's up?

Jam:

Oh, nothing.

Melissa:

Just, hanging out, recording.

Jam:

Yeah. Getting ready for the new year. You know?

Melissa:

Yeah. Mentally preparing. Yeah. Jim, have you ever been driving?

Jam:

Yeah. I have.

Melissa:

And has it ever been hot?

Jam:

Yes. Very much so.

Melissa:

Has that ever looked like there was maybe water on the road Yes. Off in the distance?

Jam:

Yep. Shimmery kind of Weird water.

Melissa:

And then you get there and it's not there?

Jam:

Yeah.

Melissa:

That's known as a mirage.

Jam:

Or you never get there. It's, like, always there, but you never get there. Jena. It's a strand up road. Mhmm.

Jam:

And you're like, man, I was thought this is gonna run directly into some water, and it never is where the water's still further away.

Melissa:

Mhmm. Well, that is something we're gonna talk about today. We're gonna talk about that weird Mirage that happens.

Jam:

Okay.

Melissa:

But first, we're gonna talk about something a little bit more For everyone who can understand is rainbows.

Jam:

Okay. And we're

Melissa:

gonna talk about what those things and pretty crystal vases all have in common.

Jam:

Okay. Okay.

Melissa:

Great. So I told you already know about the rainbows part of our topic today. Right. So we're all sitting around talking about it. Mhmm.

Jam:

And I

Melissa:

said I wanted to do an episode on rainbows. Yeah. And someone said it was dumb because everyone learns that in 2nd grade.

Jam:

For the record, I did not I was not the one who said that.

Melissa:

No. Jim was not. Someone else said that. Mhmm. And I was like, okay.

Melissa:

Fine. But do you guys know why rainbows are in the order of color they are or why they actually happen other than just this very basic answer that you all learned from years ago. And my favorite answer was, Emily said, they're in that order because it's Roygbiv's name, which made me laugh. But I didn't really get a good answer. Yeah.

Melissa:

So I want you and our listeners at home Okay. To take a moment and think through what you know about why rainbows are the way that they are.

Jam:

Okay. Okay.

Melissa:

What'd you come up with?

Jam:

Okay. Here's my theory. We've talked about the electromagnetic spectrum before.

Melissa:

Mhmm.

Jam:

There's ranges of there's different Types, quote, unquote, of waves. Some that we can see, some that we cannot, some that have different effects on the world around us.

Melissa:

Mhmm.

Jam:

In the range of visible light, it starts with red and ends with violet. And so

Melissa:

That's correct.

Jam:

There's all the I mean, it does fade from color to color. It's not like there's only this. There's only red, and then a chunk of red, Chunk of orange. The rainbow is gradual.

Melissa:

Mhmm.

Jam:

And so it fades across all of these colors.

Melissa:

Mhmm.

Jam:

That are on the spectrum. So my thought is not that it you know, it's it's not just that it's pretty or something or whatever.

Melissa:

Mhmm.

Jam:

It's just those that's the range of color we have for visible light. So we see that when the rainbow happens in that order Because that's the frequencies. The red being the lowest, violet being the highest.

Melissa:

Great. That's a good guess. And then what else do you see about what else do you know about rainbows?

Jam:

I know that we talked about color a lot when I was Really, really into art and painting and stuff like that, with the color wheel and things like that. But, also, I remember from science classes that White light is a combination of all the colors?

Melissa:

Mhmm.

Jam:

And that Rambo's Or, basically, just a separation out of white light in some way Mhmm. Into the elements that it is made up of. It's made up of all the colors.

Melissa:

Do you know why it gets separated out?

Jam:

Because, it's trying to show off.

Melissa:

I was very prepared for you to give a real answer, so that one caught me off guard. Okay. So Your explanation is really great. You're the for that being a guest, it was really good.

Jam:

Nice.

Melissa:

So light is made up of more than just what we can see. Uh-huh. The white light is made up of all the colors of the visible region. So what happens in rainbows is the white light moves into water and other light presumably as well that we can't necessarily see. Moves into water.

Jam:

Like, drop lots of water in the air.

Melissa:

Drop lots of water in the air. That's what usually happens after it rains.

Jam:

Uh-huh.

Melissa:

Or maybe on the ground or who knows? Moves into water, and light travels at different speeds in different mediums.

Jam:

Oh, okay. That's weird.

Melissa:

So light traveling through the air can move faster than light traveling through water.

Jam:

K. Interesting.

Melissa:

So when the light moving super fast through the air hits the water and it slows down Uh-huh. Light, which is made up of waves, which are oscillating back and forth Mhmm. Things. When it hits the water and it has to slow down, it actually gets bent slightly. Oh.

Melissa:

The I think it's due to when the wave enters and it's gonna bounce back now in a different direction. And as it hits this new medium, the way the waves are bouncing is now impacted, and it so it comes in at a different angle than it had been moving through the light.

Jam:

Interesting.

Melissa:

Mhmm. So because each color then has a different wavelength, when it enters the new medium, when it's traveling through air, and then it hits the new medium. Each wavelength will be affected slightly differently. So they're going in a straight line. That waves hit the water, and they suddenly slowed down, and they're kind of pushed off at an angle.

Melissa:

And now each one is slightly different angles based on the shape of their wave already based on the wavelength that they already had.

Jam:

Okay.

Melissa:

And that naturally spreads all colors out in the order, like you mentioned, that they are in the electromagnetic spectrum because that has to do with their wavelengths already.

Jam:

So let's say each color Mhmm. Is a snake. Great. I like it because that's what I think of when I see the those waves as they're drawn for us.

Melissa:

Mhmm.

Jam:

So each of them are snake. And they're all traveling together, but, obviously, some are faster than others because that's what web link is. It's like they're slithering. Their their slithers are faster Yes. Close together or whatever.

Jam:

So there

Melissa:

are more close together slithers on some and wider slithers on others, but they're all going the same speed.

Jam:

Right. Mhmm. So all those snakes, all 7 was it 7 snakes? Our

Melissa:

Mhmm.

Jam:

Our traveling.

Melissa:

Yep.

Jam:

And they are traveling super fast. They travel right into some water. Mhmm. Boom. That's surprising.

Jam:

Uh-oh. This is not what we expected. And they're all their slope is all different. Mhmm. And when they hit the water, It affects them all differently.

Jam:

This and now it is definitely not gonna work forever, but I'm gonna try to ride it hard all the way till it breaks apart. So They hit the water, and then they're all like, what the and they're all disrupted.

Melissa:

Mhmm.

Jam:

And the ones who are slithering Faster than the ones who are slithering slower or, like, their movements are faster or slower.

Melissa:

Slithers, less slithers or whatever.

Jam:

Yeah. Mhmm. Are all naturally just imagine literal snakes Hitting literal water Mhmm. Naturally gonna be affected slightly differently.

Melissa:

Yes.

Jam:

Maybe it's like some of them have a A slightly easier time entering this new medium or something? Or, like, they or some of them aren't or whatever. Either way, it's gonna be like so they're all they've all been together. And now The the the one has quicker slithers.

Melissa:

Mhmm.

Jam:

Maybe he goes through more quickly or something, or they just get broken apart.

Melissa:

It's more like they just get broken apart than one goes through more quickly. Yeah.

Jam:

So they're all hugging. So they're all in the water. Slime. Yeah.

Melissa:

Then they hit the water, and it becomes like an arc. They're all going in different directions. A wide v, and they're, all throughout the v.

Jam:

They're like, dang it. We're gonna hit the water, and then they can't hold on to each other anymore. Mhmm. And it's like So

Melissa:

they spread out, but they stay in order? Yes. But they spread out.

Jam:

To say in order. I mean, that now definitely doesn't work forever because No.

Melissa:

I sure doesn't.

Jam:

Those snakes, unless they're really good swimmers, would definitely get out of order.

Melissa:

But you have seen things be impacted differently by the medium they're in. So imagine a swimmer who's very aerodynamically small moving very quickly through water, and then someone who's, like, splashing, splashing, splashing, making lots of splashes and is more wide, maybe is gonna move slower through water because there's more natural resistance. That's why They say that some swimmers shave their legs, so there's even less things resisting.

Jam:

Mhmm.

Melissa:

Maybe the wider slowers or waves are resisting differently, so they all it bent at slightly different angles. Mhmm. They just moved differently through the new medium. Yeah. And that result in them coming out on the other side differently.

Jam:

And even though they're all in the range of visible light, pretend like there's no such thing as visible light. Mhmm. All the different wavelengths behave differently. We already know that about, like, microwaves and infrared and ultraviolet. We know they have different effects On the world.

Jam:

Mhmm. So pretend there's not even a visual, aspect to it. Waves of anything hitting anything, we already know are gonna behave differently. Mhmm. So even though those are tightly close together in our minds because they make up what we see, it's not weird For different types of wavelengths to have behave differently under the same conditions.

Melissa:

Right. Exactly.

Jam:

So it's not, like, Weird.

Melissa:

Right? So that's rainbows.

Jam:

It's not weird. You made it weird. I I think it's fine. I think it's normal. You guys you snakes, like, don't be embarrassed.

Jam:

Okay? It's fine. I think it's fine. I'd be disoriented if I hit water too.

Melissa:

Exactly. Exactly. Okay. So that is that's it. That's the overview of rainbows.

Jam:

Okay. But

Melissa:

there's some other things we're gonna stir in there.

Jam:

Okay.

Melissa:

One is we talked about crystal glass, and the other is Mirages. I'm saving Mirages for last.

Jam:

Okay. I like that.

Melissa:

This idea that light moves differently through the water and then through the air and through all these different substances. Mhmm. Can be summed up with the idea of the index of refraction, which is basically a measure of how it moves differently, where it travels faster or less fast.

Jam:

Okay.

Melissa:

So light travels differently in water than air. It travels differently in glass. It travels differently in glass with different substance. Mhmm. It travels differently in hot air than cold air.

Jam:

Mhmm.

Melissa:

Light travels differently. All these things have different refractive indexes or index of refractions. Uh-huh. So that idea comes into play also in crystal glass.

Jam:

To glass.

Melissa:

Regular glass is cool. It's see through. Whatever. But my mom had this really pretty vase that was crystal vase, and it was very it was more rainbow y. It just reflected the light differently than regular glass did.

Jam:

Wait. Can I ask a question real quick? Mhmm.

Melissa:

It's

Jam:

not crystal, really. Right? It's just like a term?

Melissa:

Right.

Jam:

Like, we it's not it is

Melissa:

not what I'm about to say.

Jam:

Okay. Cool.

Melissa:

So that that vase was known as crystal vase.

Jam:

But that's just a marketing term or something.

Melissa:

That is a marketing term usually applied to, and there could be other types of glass that are also known as crystal, but leaded glass. Its glass that has a higher lead content

Jam:

Uh-huh.

Melissa:

Than other glass.

Jam:

Interesting. That's weird, though, because you think it'd make it look less Something. Like, I don't know Yeah. What all lead would have an effect on, but it seems like it'd look muddy or something like that. Like, oh, you have some grayish glass.

Melissa:

Mhmm.

Jam:

That's what I would assume What happened if you put lead into glass?

Melissa:

Right. You would think that would happen, but, actually, all it does is change essentially the refractive index

Jam:

Mhmm.

Melissa:

Of the glass. So light moves differently through leaded glass than regular glass so that it does look more sparkly. It has Is

Jam:

it slower or faster than regular glass?

Melissa:

It's slower.

Jam:

Okay. Interesting.

Melissa:

It moves through the the glass slower than regular glass because it has that lead content. I think it makes it This gets into the question of whether glass is a liquid or solid. Mhmm.

Jam:

But I

Melissa:

think it makes it slightly more viscous, and so it makes it harder for the light to travel through so it refracts it more.

Jam:

So it's it is kinda like like whatever is hitting a prism, and it breaks it apart. But, basically, you've made it to where, you've made a cup or a vase or whatever Mhmm. That has that effect kinda all over it Mhmm. So it'll look all sparkly.

Melissa:

It's almost just like when it hits water.

Jam:

Interesting.

Melissa:

Mhmm. So that's another place we see the refraction of But the craziest one to me, the most interesting to me Uh-huh. That I knew the least about, Thanks, Scientific American, for teaching me. Is that that thing you see on the road that looks like water far off Uh-huh. Is as a result of the refraction of light.

Jam:

Okay. That's interesting. I thought it it was just like heat or something.

Melissa:

Like, heat waves or whatever.

Jam:

Yeah. Yeah.

Melissa:

Yeah. Yeah. Right. Well, we have our hot ground. And on this hot day Mhmm.

Melissa:

The air thereby the ground is gonna be hotter and less dense

Jam:

Okay.

Melissa:

Than maybe the air above it.

Jam:

Okay.

Melissa:

So because it's less dense, it'll have a different refractive index. It'll move light differently.

Jam:

Just like water. It's more dense than Air Mhmm. With the, light hitting it.

Melissa:

Right. So the light will take a curved path as a result of the changing density from the sky to your eyes. The wavelengths of the eye will take the curve path, and then we're getting those sky light particles coming at a different angle than our brain's expecting it to, so our brain attributes that to water on the ground.

Jam:

Interesting. Mhmm. The light's curving Mhmm. With the air. So we've experienced that in the previous two examples Where the actual substance is changing.

Melissa:

Mhmm.

Jam:

It's hitting water or it's hitting glass. Mhmm. But in this case, it's just different densities of air.

Melissa:

Different temperatures and densities of air have a different refractive index.

Jam:

Woah. That's weird. It's also crazy then that, like, our eye is Not seeing what's real.

Melissa:

Like, it's it's your brain that's not seeing what's real.

Jam:

Well, both things. Yeah. The lights because the light is wrong. Yeah. Hitting us.

Melissa:

We can't account for the quantum mechanics of light.

Jam:

Yeah. Like, we the light is our brain is trying to make sense of it. Mhmm. But we are receiving light in an unnatural thing, like, this curving. Mhmm.

Jam:

Like and that's kinda crazy to me.

Melissa:

Yeah. It is kinda crazy. The quote from I learned about this Mirage from the Scientific American article. It was an interview with a professor, doctor Meyer, at Baldwin Wallace College.

Jam:

Mhmm.

Melissa:

And my favorite line was, The illusion comes from the fact that quantum electrodynamics is not intuitive, and the brain assumes that light travels in a straight line.

Jam:

Mhmm.

Melissa:

And I just like that. It's our brains are very smart and always do a lot of things, but they can't account for the fact that sometimes light curves.

Jam:

Yeah. K. I have a story about this.

Melissa:

Okay. I'm ready.

Jam:

Whenever so I was too young. This is a family story. This is not one that I really remember. My older brother I was alive though. My older brother, 6 or 7 at this time.

Jam:

Learned that mirages for the first time. He asked about it in Texas. You see him all the time, Especially West Texas. There's tons of straight long roads.

Melissa:

Oh my gosh. Yeah.

Jam:

And, a lot of heat to make these mirages all the time. So he asked about it. My mom kind of just gave him a a little, like, oh, yeah. It's not really water. It's just a trick or whatever.

Jam:

Mhmm. And so he learns about that. And then one day, we're driving in our car down this road. There's, like, this Reservoir, that is just for a source of water, and it's a super not pretty at all Mhmm. Lake Pond reservoir thing in Abilene known as Kirby Lake, Kirby pond, whatever you wanna call it.

Jam:

And In a very, very, very innocent, but honest and insulting comment, my older brother was like, oh my gosh. That is the biggest mirage I have ever seen when he saw. He looked down because it there's this it's the very end of this road. Uh-huh. He was just like, woah.

Jam:

Oh. And he's in awe. And it's like, oh, I'm sorry to tell you. That's actually our water reservoir.

Melissa:

That's what we drink. Yeah.

Jam:

And it does look like a Big Mirage.

Melissa:

That's so funny. I just realized I'm not sure he said at the beginning, but rainbows come in the arch because lights deflected from the raindrop. And if there is no earth on the bottom of our view, they would be full circles.

Jam:

Woah. They were skin in the way. Mhmm. Man, that's crazy.

Melissa:

So here, these are all the ways that light bends and can impact your life or at least some of them.

Jam:

Okay. So to basically explain the water one sort of Mhmm. So with the glass crystal, It's the same thing Mhmm. As water. It's just that you have Taken glass and made it to where the waves Go slower through it than normal glass.

Jam:

Mhmm. So it just looks a little bit sparkly, rainbow y, or there's more color to it Mhmm. Because you slowed down the light a little bit with the LED.

Melissa:

Right.

Jam:

And then in the Mirage situation, It's the same thing, except

Melissa:

Except.

Jam:

Rather than being broken apart by hitting something like Water or

Melissa:

glass. Mhmm.

Jam:

It's just hitting a different density of air Mhmm. And curving to account for that. Right. Because it wants to be in the least dense area. Right?

Jam:

It was like It

Melissa:

wants to take the fastest path.

Jam:

The fastest path. Mhmm. So it's like, All this light's coming at your eye. Mhmm. And it hits this this zone of super nice, low density, Warm air, and it's like, yes, please.

Jam:

You know, it's funny is that it's like a highway for light particles.

Melissa:

Yeah. That's a good way to

Jam:

think of it. It occurs On highways. Mhmm. Mhmm.

Melissa:

The light particles taking the highway messes up your own view of the highway.

Jam:

Yep. And then we our brain is trying to make sense of it. Mhmm. And so it's like, well, it's kinda like water because water reflects the sky. These The sky light particles are what I'm seeing, but I'm seeing them on the road, so it must be water.

Jam:

Yeah. And then it just looks like water to us.

Melissa:

Very cool,

Jam:

That's really weird.

Melissa:

And usually, the sparklier things are, in my experience the sparklier things are, the higher refractive index they have. So I think diamonds have an even higher refractive index than lead glass.

Jam:

And

Melissa:

I think both of those things are higher than water. Yeah. So they the refractive index's higher for the sparklier things.

Jam:

Interesting. Mhmm. Dude, that's crazy.

Melissa:

Yeah. Isn't that cool?

Jam:

Yeah.

Melissa:

Can bend light and see all kinds of crazy things.

Jam:

Minh, we could do a lot of stuff to light.

Melissa:

Yeah. A

Jam:

lot more than I thought.

Melissa:

Well, thanks for hanging with me and learning today about about science and light. Anytime. Is there anything that that's happened to you this week as we enter the new year?

Jam:

So my family's always late for everything. And so we We'll be celebrating the kind of Christmas time holiday later, typically around New Year's time or so. So that is what we'll be doing.

Melissa:

That's what you'll be looking forward to? Yeah. I always really enjoy setting new goals around new year, And they're not year's resolutions because I think those are usually pretty silly. Yeah. But I think through my year, and I think through what would I like to accomplish this year.

Jam:

Mhmm.

Melissa:

And then I look back at last year's, and one is always that I always have is try something new.

Jam:

Mhmm.

Melissa:

And if I can, sometimes I'm financially inhibited for the second one, but go somewhere new.

Jam:

Uh-huh.

Melissa:

And then I usually have some financial goals, like, By this time, I wanna have this much saved. Or

Jam:

This many million, that kind of thing?

Melissa:

Yeah. That many. That much definitely is how much we're dealing with in my life.

Jam:

Yeah.

Melissa:

And I I was thinking through Michael from 2019, and I was able to do a lot of them that I'm very excited about. And I tried so much more than one new thing. Yeah. I learned how to ice skate, which is one of the the most exciting things I've done. If you If you think you'd love a sport, but you're afraid to try it, just do it because it was so fun.

Jam:

Or anything. Not necessarily. Anything? Not a sport. Yeah.

Melissa:

Or You

Jam:

don't have to go stoop down to the sports if you don't really want to.

Melissa:

Well, ice skating's a pretty good sport. It's not as negative as your other sports. Right?

Jam:

That's true. Yeah. It's good to be active. Okay.

Melissa:

It's good and active. I also just went ahead and started this podcast, and that was really cool. I started cool. Was really special.

Jam:

That's cool. That was this year. It feels like a while ago that you did that.

Melissa:

It was all this year. Yeah. And so I'm really excited to look forward, and plan some of my goals for next year, and it just seems like the years keep getting better. You know?

Jam:

And what's kinda cool about you having such a success story about your Your goals is that I was reading something about, like, resolutions people make. And it said that people Super often overestimate what they can accomplish in a year

Melissa:

Mhmm.

Jam:

And at the same time, way underestimate what they can accomplish in a month. Him. So it's, like, we're bad at both. Mhmm. We think the short term, not much could be done.

Jam:

For, like, a month, that's not a ton of time. Blah blah blah.

Melissa:

Right. We

Jam:

kinda lower our standards for that, or we just lower expectations. A year, we were like, well, I'm gonna do this. I'm gonna do that. Blah blah. Sky's the limit, and then we don't accomplish any of it.

Jam:

So it's like such a weird human psychology tendency.

Melissa:

Well and a lot of them are things that I know are coming anyway. So, 1 year, I know I was taking my qualifying exams, and on my goal is just start and do the best I can on those. And in a way, it says, oh, that's inevitable. I'm gonna have to do that if I wanna graduate. Yeah.

Melissa:

But it's still a big thing that's coming, and I wanna do it well and prepare for it. You know? So I think I plan my goals or things that I'm trying to get done in this year kind of differently than than some New Year's resolutions. Mhmm. Because some of them are yeah.

Melissa:

This is probably gonna happen anyway, but but I'm hoping to finish it this year. Yeah. You know? And so it's it's gone really well.

Jam:

Yeah.

Melissa:

I've really enjoyed that, and it me get an opportunity every year to look back at my past year and think of all the really cool things I've been able to do. So

Jam:

That's cool.

Melissa:

It's always nice.

Jam:

Taking stock.

Melissa:

Yeah.

Jam:

Well, we

Melissa:

hope you guys have a good and safe New Year.

Jam:

Mhmm.

Melissa:

And thank you guys all so much for listening and joining us today.

Jam:

Melissa and I have a lot of ideas for topics of chemistry in everyday life, but we wanna hear from you. So if you have questions or ideas, you can reach out to us on Gmail, Twitter, Instagram, Facebook at chem for your life. That's Kim, f o r, your life, to share thoughts and ideas. If you enjoy this podcast, you can subscribe on your favorite podcast app. And if you really like it, you can write a review on Apple Podcasts.

Jam:

That helps us to be able to share chemistry with even more people. If you like to help us keep our show going and contribute to the cost of making it, go to kodashfi.com /chem for your life, and donate the cost of a cup of coffee.

Melissa:

This episode of Chemistry For Your Life was created by Melissa Collini and Jim Robinson. References for this episode can be found in our show notes or on our website. GM Robinson is our producer, and we'd like to give a special thanks to V Garza who reviewed this episode.