How to Create a Double Rainbow

Double Rainbow

From decorating your home to teaching a room full of students, Rainbow Symphony loves bringing rainbows and science into your daily life! We’re experts on rainbows, as well as all things, light and color so when you’re wondering how to create a double rainbow, we can help! If you’re ready to learn what a double rainbow is, how to make one that’s vibrant all the time, and where you can see them in nature, read on here for more information.

What is a Double Rainbow?

You may have thought there was only one kind of rainbow! In fact, there are actually 12 classifications of rainbow that are determined by which colors are visible in the arc. When it comes to double rainbows, these classifications still exist, but the way the rainbow itself is created is a bit different from a single arc rainbow.

A double rainbow is when two distinct arcs are formed. They have separate origin points and the second arc is a mirror image of the first with the colors reversed. The indigo hue will be on the outside, while the red shades will be on the inside of the arc! The second rainbow also tends to be slightly lighter and much larger than the original rainbow arc. There is always some distance between the two bands, and the space in between is called Alexander’s band.

How Are Double Rainbows Created?

A single arc rainbow is created when sunlight enters a raindrop, is refracted (broken up) into multiple colors, and reflected off the back of the drop and out again. What we end up seeing is a single rainbow arc made up of multiple colors.

In a double rainbow, the light is reflected back twice within the same drop. Instead of creating a triangular line of reflection in the raindrop, the light bounce off once more to make a square shape. The second rainbow generally appears about 10 degrees above the first rainbow. It’s not unusual to experience triple or even quadruple rainbows when the conditions are just right!

Where to See Rainbows in the Real World

You don’t have to know how to create a double rainbow to see them in the real world. Rainbows generally appear after a rain shower or thunderstorm, but you can also see them anywhere water and light mix. Next time you’re walking by some sprinklers or there’s a fine mist in the air, look around you to spot some colorful displays. If you’re looking for the perfect double rainbow, the best conditions to view them are at dusk after a heavy rain.

How to Create Your Own Double Rainbow with a Jar of Water

Your Own Double Rainbow with a Jar of Water

If you’re ready to learn how to create a double rainbow yourself, you’ll need to gather a few tools.


  • A Bright Light Source
  • A Clear Jar Full Of Water
  • A Dark Room

Your bright light source acts as the sun, your jar of water is the raindrop, and the dark room is the perfect canvas on which to paint your rainbow. It can be a little tricky to spot the rainbows on your first try, but keep at it and soon you’ll learn how to create a double rainbow easily.


Since rainbows are usually seen after rainstorms, when the light is behind you, you’ll need to set up your lamp or light bulb on a desk or table behind where you plan on placing your jar of water. Set your light as high as possible and sit below it with the jar of water. Hold the jar directly in front of you and slowly raise it above your head until you see a reflected spot inside it that looks like a rainbow. Keep raising the jar slowly until you see a second rainbow spot.

This experiment is perfect for kids of all ages and can really help a teacher illustrate how rainbows work!

How to Create a Double Rainbow with a Prism

Create a Double Rainbow with a Prism

For rainbows that last a little longer and don’t require you to stay still holding up a jar of water, try this experiment instead.


  • Glass Prism
  • Strong Sunlight
  • White Cardboard or Paper


Place the cardboard or paper in a space with lots of sunlight. Put the prism on the paper or in a place above it in the sunlight. Rotate and shift the prism around until you see rainbows projected on the paper! You don’t always need to use paper if the walls and floor in your room are already light colored.

How to Create More Double Rainbows with Rainbow Symphony

 Rainbow Symphony

Rainbow Symphony loves bringing you rainbows so much, that we’ve made it super simple to decorate your space with them. Our suncatchers are actually made with a built in holographic prism that allows you to place them anywhere with strong sunlight to get rainbows bouncing everywhere anytime the sun is out!

Now that you know what a double rainbow is and how to create your own double rainbows, we want you to start experimenting! Want more details on twinned rainbows, what kinds of rainbows exist in space, and what a double rainbow is? Check out our Rainbow Infographic today to learn about the different kinds of rainbows!

How Do 3D Glasses Actually Work

3D Glasses Actually Work

While most people think that 3D movies are an invention of the last 40 or 50 years, it may surprise you to know that the first 3D movie came out in 1922. Since then, 3D technology has been in and out of the mainstream every few years. The biggest advance in 3D popularity was brought about due to James Cameron’s Avatar film. With the explosion of popularity in the 21st century, it looks like 3D technology is here to stay, with nearly every movie available to view in both digital and 3D in most theaters.

You may have seen a 3D in theaters and even watched 3D on your television at home, but do you know how 3D glasses work? There are a few different types of 3D glasses that work in tandem with projection to present you with an amazing visual display. Read on here to learn more from your friends at Rainbow Symphony!

How Do 3D Glasses Work

There are generally three types of 3D glasses including anaglyph, polarized, and shutter. Each uses different methods to bring flat images on your screen to life.

How Do Anaglyph 3D Glasses Work?

Anaglyph 3D Glasses Work

These are the most common types of 3D glasses and the iconic image many think about when they wonder how 3D glasses work. These glasses utilize special red / cyan lenses to interpret the image. These lenses produce the images you see by color filtering the layered image that you’re actually looking at. While one lens filters out all the red in an image, the other lense filters out the cyan, causing your brain to see the picture in 3D. The image you’re looking at is usually the same image projected from two different angles — or two entirely different superimposed images.

Anaglyph glasses come in several variations on the red / blue lens including:

How Do Polarized 3D Glasses Work?

Polarized 3D Glasses Work

How 3D glasses work when it comes to polarized lenses depends on deceiving your eyes just like anaglyph glasses do. How do polarized 3D glasses work, you ask? They restrict the light that enters your eyes, but instead of restricting the light by red and blue colors, they have a yellowish brown tint.

The image on the screen also has a role to play. In addition to the polarization on the glasses, the projected image is actually two images that are superimposed on the same screen through a orthogonal polarizing filter. Then the glasses, which have the same type of filter, allow each eye to see a the two individual images on the screen.

These glasses are actually the optimal choice for IMAX 3D movies and they’re the grey lens glasses you normally get at the theater today.

How Do Shutter 3D Glasses Work?

Shutter 3D Glasses Work

Shutter glasses are considered the most advanced type of 3D glasses available today. While the other two types of 3D glasses use something called passive 3D, shutter glasses utilize active 3D. They don’t use filtered image or color to create a three dimensional effect. Instead, shutter glasses work through LCD screen technology that darkens each lens, alternating the left and the right. The lens darkening happens so quickly that you don’t notice the effect unless you’re paying close attention.

Shutter glasses are usually battery powered, or even USB-supported, and are more expensive than traditional 3D glasses. The cost of these glasses make a huge difference to the image quality. You can get shutter glasses from Samsung, Panasonic, Sony, and more.

Why Do 3D Glasses Work?

3D Glasses Work

How 3D glasses work depends solely on how the eyes work and communicate with your brain. Human eyes have binocular vision that works best when you use both eyes simultaneously. Binocular vision gives you depth perception and allows you to tell which objects in your line of sight are closer or farther away.

Binocular vision relies on the distance between your eyes to present you with two different perspectives on the same thing. The distance between your eyes is generally about two inches apart, so the images each eye presents help to build a complete picture.

How Do 3D Glasses Work with Binocular Vision?

All types of 3D glasses work by making each eye see two different things. Whether it’s one eye seeing a red image and the other eye seeing a blue one or lenses that alternate darkening and lightening, your eyes seeing different things trick your brain into interpreting them in spectacular 3D.

3D Glasses at Rainbow Symphony

 Rainbow Symphony

Now that you know a little more about how 3D glasses work, we hope you’ll enjoy using them even more. Part of the reason we know so much about 3D glasses is because we design and manufacture so many different styles. From custom frames to a variety of colored lenses, Rainbow Symphony can offer you a massive selection of products. Whether you’re hosting a large event or you want to spend a night at home with friends and family watching 3D movies or playing video games, we can help.

Learn more about 3D glasses, rainbows, and solar phenomena when you stay up to date with our blog!

Different Kinds of Rainbows

Different Types Of Rainbows

Whether you stand outside during every rain shower to spot rainbows or you just enjoy seeing them around, there are tons of different kinds of rainbows to spot and learn about. From multiple variations on the single arc rainbow to twinned rainbows and double arcs, check out what rainbows hold in store for you!

Singe Arc Rainbows

There are 12 different kinds of single arc rainbows that are decided based on the colors, strength of the bands, and supernumerary bows that appear, or don’t appear, in the arc. Here are the basics:

  • RAB-1 has all the colors visible, strong Alexander band, and supernumerary bows.
  • RAB-2 has all the colors visible, strong Alexander band, but no supernumerary bows.
  • RAB-3 has all the colors visible, weak Alexander band, and supernumerary bows.
  • RAB-4 has all the colors visible, weak Alexander band, but no supernumerary bows.
  • RAB-5 has no violet or no blue color.
  • RAB-6 has no green color.
  • RAB-7 has no violet and no blue color.
  • RAB-8 has no blue and no green color.
  • RAB-9 has only blue and red colors.
  • RAB-10 has only yellow and orangey red colors.
  • RAB-11 has only red colors.
  • RAB-12 is an unspecified other kind of rainbow.

You can create many of these rainbow reflections with Rainbow Symphony products like the Gem Series.

Double Rainbows

The double rainbow is another different kind of rainbow that you may see on a regular basis. Sometimes light is reflected off the same raindrop more than once to create a double rainbow. These are two separate arcs that appear together. The second rainbow will be an inverted rainbow reflection of the first — with the red on the inside and the blue on the outside. It’s also often much lighter than the first rainbow. On very rare occasions, you may see triple and quadruple rainbows.

Twinned Rainbows

Twinned rainbows may look like double rainbows at first, but if you look closer, they actually meet at the base. These are two arcs that split from the same spot. Scientists have yet to discover what causes twinned rainbows to appear!

Rainbows In Space

While different kinds of rainbows may not appear in space itself, as there is nothing substantial enough to reflect light, they may appear on other planets and moons. One of Saturn’s moons, Titan, has moisture and an atmosphere that is friendly to rainbow creation. It is believed by scientists that Titan is one place outside of Earth that rainbows can appear!

Rainbow Symphony Favorites

Rainbow Symphony loves rainbows so much, we keep them around us all day long. From our window film to our suncatchers, decorating with rainbows is easy when you browse our collection!

The Different Types of Eclipses

The Different Types Of Eclipses Infographics

Eclipses are a fascinating part of our universe and they are often exciting events around the world. Learn more about the different types of eclipses with Rainbow Symphony today!

  • Solar Eclipse*
    • A solar eclipse is when the sun is covered by the Moon. There are four types of solar eclipses.
    • Partial eclipse
      • In a partial eclipse, the Moon crosses the path of the sun, but does not completely block it out. The umbral shadow of the Moon misses the Earth, and only its penumbral shadow hits us. We end up seeing a sun that looks like a bite has been taken out of it.
    • Annular eclipse
      • An annular eclipse, from the word annulus (ring), occurs when the Moon completely covers the center of the sun, but it leaves the edges uncovered. There is a bright ring of the sun still visible in these cases.
    • Total Eclipse
      • When the Moon totally covers the sun, you get a total eclipse. Since the Moon is many times smaller than the sun, a total eclipse can only occur when its orbit falls very close to the Earth. In a total eclipse, you get to see the sun’s stunning corona.
    • Hybrid Eclipse
      • A relatively rare event, a hybrid eclipse is when one part of the Earth sees an annular eclipse, while another part of the Earth sees a total eclipse.
  • Lunar Eclipse
    • A lunar eclipse can only occur on a Full Moon when the Moon passes through a portion of Earth’s shadow. The next few lunar eclipses fall on Jan 31, 2018, July 27, 2018, and January 21, 2019.
      • Total Eclipse
        • When the entire Moon passes through Earth’s shadow you get a total lunar eclipse. The effects are especially striking, as often the Moon will look like it has taken on a red color.
      • Partial Eclipse
        • In a partial eclipse, a portion of the Moon passes through Earth’s umbral shadow. Visible to the naked eye, you’ll see that part of the Moon looks like it’s in total darkness.
      • Penumbral Eclipse
        • Very difficult to spot, a penumbral eclipse is when the Moon passes through Earth’s penumbral shadow.
  • Planetary Transits
    • While Venus and Mercury are the only planets close enough to Earth for us to see a planetary transit, when they cross the disk of the sun, it’s a special kind of eclipse.
      • Transits of Venus
        • Transits of Venus generally occur in pairs, but each the first of the pair is generally eight years before the second. More than a century could pass before another pair occurs.
      • Transits of Mercury
        • There are about 13 transits of Mercury that occur each century. The next time Mercury will cross the disk of the sun will be November 11, 2019. We won’t see another until 2032.

Rainbow Symphony loves exploring our universe and teaching others about its wonders. Next time a solar, lunar, or planetary eclipse occurs, track it with eclipse glasses and other accessories from our collection.

*Important note: Solar eclipses should not be viewed with the naked eye.

How to Decorate Your Kid’s Room

Kids Room Decoration Ideas

Whether your child is just now getting their own room or it’s time to rethink their current decor, making sure your child loves everything about their room is crucial. Rainbow Symphony has some amazing kids room decoration ideas that will excite and delight any kid who is interested in the solar system, rainbows, and colors.

Our suncatchers are the perfect way to enhance any aspect of your kid’s room. Check out our favorite suncatchers and kid friendly decor here!

Ocean Life Suncatchers

Ocean Life Suncatchers

Many kids love the ocean and all the animals in it, so why not bring a little of the ocean into your home with some sea themed suncatchers. From fish and turtles on the ocean floor to capering dolphins along the surf, any of our sea creature suncatchers will add some color and life to your kid’s room.

To hang up this kid friendly decor, simply wet the suction cup and hang in any window that gets direct sunlight!

Simple Prism Suncatchers

Simple Prism SuncatchersSimple Prism Suncatchers

If you want to keep your kids room decoration ideas minimalist, adding a rainbow suncatcher is still easy. We have simple, glass suncatchers that won’t distract from any cohesion you’re trying to create. These prisms create sparkling rainbows all around the room when placed in a window with direct sunlight.

Magical Wizard Suncatchers

Magical Wizard Suncatchers

Magical Wizard SuncatchersThe mystical suncatcher series is another great addition to our list of kids room decoration ideas, as they encourage imagination with bright colors and magic. With rainbows bouncing all over the room, your kids won’t have any trouble getting inspired and tuning their imagination to start their own adventure!

This suncatcher sticks directly onto the window with a suction cup and is super easy to install and remove.

Gem Suncatchers

Gem Suncatchers

If you’ve already figured out everything you need in the room, but there’s still something missing, window decor may be what you need. Our gem suncatchers stick directly on the window and they produce amazing rainbows all around the room. The gem series glitters in the sun like real gems and is the perfect addition to any kids room decoration idea! The pack comes with 12 different gems to mix and match on any window.

Choose from a comprehensive selection that includes everything from diamond shapes and heart gems to pear shapes and star gems. You get 12 pieces in each set!

Simple Tips with Rainbow Symphony

At Rainbow Symphony, we’re here to help you find more than just that special touch to add to your child’s room - we want to get you and your kid excited and inspired to learn and discover about the world around you. Explore our entire website to find more items that’ll give you great kids room decoration ideas!


Join the club!

Welcome to Rainbow Symphony.
Sign up for our newsletter to receive 10% off your first order

(don't worry, we don't send a million emails)