Eyes in the Dark Nina and the Neurons


Eyes in the Dark

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# If you've got a question and you don't know where to go

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# Ask Nina for some help Cos she's got a science show

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# She makes sense of her senses While helping all her fans

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# By doing experiments with potions and bangs

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-# Touch your tongue

-Tongue!

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-# Fingers

-Fingers!

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-# Eyes!

-Eyes!

-Ears!

-Ears!

-Nose!

-Nose!

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# Nina and the Neurons find out what you need to know

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# Nina and the Neurons find out what you need to know!

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# Luke, he helps us with our eyes and Felix with our touch

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# Ollie sniffs out smells And Belle, she hears so much

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# Bud is Ollie's brother He helps us with our taste

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# Nina's Neurons are coming to your place!

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-# Touch your tongue

-Tongue!

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-# Fingers

-Fingers!

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-# Eyes!

-Eyes!

-Ears!

-Ears!

-Nose!

-Nose!

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# Nina and the Neurons find out what you need to know

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# Nina and the Neurons find out what you need to know!

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# Oh, yeah! #

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Hello, just checking my bunches, getting ready for the day.

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-BEEPING

-I hear a beep, I see a flash

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I wonder what they're going to ask?

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-Hi, Nina!

-Hi, guys!

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We've got a question for you.

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What makes the lights in the middle of the road shine?

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It's a great question.

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What makes the lights in the middle of the road shine?

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Lights in the road are a brilliant invention.

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They help when driving in the dark.

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-Why not come to my workshop to find out?

-See you soon, Nina! Bye!

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See you soon!

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I need help with this and I know who to ask.

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OK, Neurons, time to get to work.

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ALL: Neurons at the ready, Nina.

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The question is, what makes lights in the middle of the road shine?

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Which neuron will help us find the answer?

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ALL: Me! Me! Me! Me! Me! Me!

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Will it be fabulous Felix?

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I can help so very much If you need the sense of touch.

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Will it be beautiful Belle?

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I send messages to brain from ear If there's a sound, I help you hear.

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Will it lovely Luke?

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For looking and seeing Day or night

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I'll help you with your sense of sight.

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Will it be awesome Ollie?

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If it's whiffy, but you can't tell

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My messages help your sense of smell

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Or will it be baby Bud?

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Sour, salty, bitter or sweet

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I'm your taste buddy whenever you eat.

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BEEPING

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It's Luke!

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ALL: Go Luke! Go Luke! Go Luke! Go Luke! Go Luke! Go Luke! Go Luke!

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Cool, Nina. I'll be looking out to help you!

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The question is, what makes lights in the middle of the road shine?

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Because we see lights shine, Luke will help us,

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but, neurons, I may need help from all of you.

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I need to get the workshop ready before they come.

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Emma, Tara and Hannah want to find out about the lights on the road.

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Lots of lights shining bright Why do they only come out at night?

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Emma, Tara and Hannah become the inventors!

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-Hi, guys.

-Hi, Nina.

-Come on in. Welcome to my workshop.

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Lovely to see you.

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The question was, what makes lights in the middle of the road shine?

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-Why do you want to know?

-During the day, you can't see the lights,

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but when my dad is driving at night, they suddenly appear.

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The lights on the road are called Catseyes.

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I happen to have some here.

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Let's do an experiment.

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Emma said you can only see them when your dad's driving at night.

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Well, let's turn the lights down...

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and have a look at the Catseyes.

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-Can you see them shine?

-ALL: No!

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So, if the Catseyes don't give out light,

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something else must make them shine.

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Well, let's pick up our torches, turn them on,

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and point them towards our Catseyes.

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-Can you see them shine now?

-Yes!

-Yeah!

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So, only when you shine light on Catseyes, can they shine light back.

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OK, torches off. Now, I'm going to move round here

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and turn my torch on.

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Now have a look at the Catseyes.

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Oh, I can see them shining.

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-Can you?

-No!

-Oh, why don't you turn your torches back on?

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-Now can you see them?

-Yes!

-Right.

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You only see them shining

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if you're beside where the light's coming from.

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Oh, and it doesn't matter where you shine the light from,

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the Catseyes always shine right back at you.

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OK, so turn your torches off.

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When you shine light on something and the light bounces back,

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it's called a retroflector.

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"Retroflector" - that's a big word, Nina.

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Retroflector!

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Ha!

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I know, it is a big word, Bud.

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-Is it Dad's headlights that make the Catseyes shine?

-Exactly. Spot-on.

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-But how does it do that?

-I think we need to have a closer look.

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Taking things apart is my job.

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It can be dangerous so don't do this yourself.

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That's right. Nina's been trained to do this.

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You could get hurt when you take things apart.

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Leave it to the experts.

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OK, so here we have a Catseye.

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It's made up of glass balls and a rubber dome.

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The rubber means that if a car drives over it,

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it squishes, but the glass balls don't break.

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Let me show you a glass ball close up on the Nina cam.

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Look at that.

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Wowee! It looks like a marble! I love playing marbles!

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The glass ball is the retroflector where the reflecting happens.

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That's why the Catseyes shine right back at us.

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Retroflectors can be used for all sorts of things.

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-Shall we see another invention in action?

-Yes!

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Let's go!

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Hmm! Where do you think we're going today?

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What else use retroflectors?

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What else shines when light hits it?

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That's a difficult one, Ollie. Looks like we'll find out soon.

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OK, guys, torches on.

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ALL: Wow!

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Oh, my! Look how brightly their clothes are shining.

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Look at that fire engine! Amazing!

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Aren't they bright? There's a fire engine, and, look, two firefighters.

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-They've got bright stripes on them.

-Yes, they do.

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That makes them easy to see.

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Let's have a look and see why they shine so much in the dark.

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-Hello!

-Hello!

-We're investigating retroflectors.

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-Can we look at your clothes to see why they shine in the dark?

-Yes.

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Thank you. OK, guys, look here.

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These stripes are the bits we see in the dark.

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They're made of a special retroflective material.

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-Like the Catseyes.

-Yes. Lots of tiny little Catseyes next to each other.

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The fire engine's the same.

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These big stripes are made of retroflectors too.

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They shine right back at us in the dark.

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It's important that firefighters and fire engines are seen in the dark.

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If you goes out at night, you should wear something with a retroflector,

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so that vehicles can see you.

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-BELL RINGS

-Oh! The firefighters have got to go!

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Time to get back to the workshop to do some inventing!

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I really like the name of the lights on the road - Catseyes.

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-But who invented them?

-Well, listen up, I can tell you that.

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There are lots of stories about this,

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but I'll tell you my favourite.

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Over 70 years ago, a man called Percy Shaw was driving one night

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when he saw a cat sitting on a fence.

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The cat's eyes reflected his headlights back to him.

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This gave him an idea.

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He invented the Catseyes that help us drive safely on the roads today.

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Miaow!

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Your question was, what makes lights in the middle of the road shine?

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We've found out that Catseyes need light to shine,

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they shine light back no matter where it's from,

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and that it's called a retroflector,

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but how does a retroflector work?

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We should invent our own Catseyes to help us find out.

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The first thing we'll do is take a paper cup,

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turn it upside-down and draw around your cat's eyes. Excellent.

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Take your scissors and start cutting.

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Now do be careful and watch those fingers.

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Scissors can be very sharp.

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Next, we're going to take our foil cake tins,

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and hold one of them in your hand

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and, with your thumb, press the bottom to make it round.

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What's happened to the cakes? That's not fair!

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Bud, do you always have to think about food?

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Yes! I'm the taste neuron, remember? It's my job!

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We'll glue the foil tins into the bottom of our paper cups.

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Let's get some sticky glue - put plenty on there.

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The final thing we need to do is take one of your paper cups

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and push it through the cat's eye.

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Excellent.

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There we have it. We've made our very own Catseyes.

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Let's try them out. OK, grab your torch and sit them up.

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Oh, I'd better turn the lights down.

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There we go. OK, now shine your torches.

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So do you see how the light's reflecting?

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-Yes.

-The tin foil makes a sort of retroflector.

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No matter when the light's from,

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the retroflector shines back at you. Well done, inventors.

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Your question was, what makes lights in the middle of the road shine?

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The lights on the road are called Catseyes.

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When we looked inside a Catseye, we found a glass ball.

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This glass ball is like a mirror and it reflects light.

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The glass is curved so you can shine light from anywhere

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and it will always shine light back at you.

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It's called a retroflector. As a Catseye has a retroflector,

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when a car light shines on it in the dark,

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it shines right back, lighting up the road ahead.

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That's how Catseyes work. Thank you for your great question today.

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-Thanks, Nina. Bye!

-Oh, bye! Thank you.

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If you want to make today's invention,

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go to the Nina section on the CBeebies website.

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You may have other ideas of what to invent.

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-Mikes.

-Trains.

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-Binoculars.

-Televisions.

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-Speakers.

-And cars.

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# We all love inventing

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# Woh-oh-oh! Go inventing!

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# We all love inventing

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# Why don't you try it too?

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# Inventions make life easier

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# And help us get things done

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# Go inventing!

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# I always like to take a look at how they work and run

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# Go inventing

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# We all love inventing

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# Woh-oh-oh! Go inventing!

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# We all love inventing

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# Why don't you try it too? #

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It's been such a great day, man -

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seeing how the Catseyes shone when everyone pointed their torch at it.

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It's been a marvellous day,

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especially when Nina had a look inside the Catseye -

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a retroflector is a great invention.

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I've had a brilliant day.

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Just as well everyone had their shiny clothes on - it was so dark.

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I've had a fabby day!

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I really liked it when everyone made their own Catseyes

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out of cake tins.

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It's just a pity there were no cakes in them.

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We've had a great time today.

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Bye!

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E-mail [email protected]

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