Sunglass Science: Birefringence
Link to Sunglass Science: Polarized Light
This time we will explore things that are usually invisible, revealing new things about the world around us.
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Laser Projection Microscope
Turn a $5 laser pointer into a projection microscope! This is one of the coolest demos that I have come across in a long time!
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CD Spectrum
This week's experiment uses a computer CD or DVD. If you have ever looked closely at either a music or computer CD, you have probably noticed that they produce rainbows. If you hold the CD with the shiny side up and let light from a lamp reflect off of it, you will see a very nice rainbow of colors. If you are using a regular incandescent bulb, you will see all of the colors of the rainbow: Red, orange, yellow, green, blue, indigo, violet. If you use other kinds of bulbs, you may find some colors missing. To try this, you will need:
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This project has science fair potential.
Silver Penny
This week's experiment uses fire, so be very careful and be sure that you have an adult to help you.
This week's experiment involves both chemistry and light. It is always pleasing for me to find one experiment that can send you exploring in several different directions.
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Making Money Appear
This experiment is from a Magic of Science workshop that I taught several years ago. No, it is not a get rich quick scheme. It is a fun way to see how we can bend a ray of light.
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Why is the Sky Blue?
This is one of the classic questions that children ask, and one that many adults do not know the answer to. With this simple experiment we will answer the question, and also find out why sunsets are red.
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Why Wet Things Turn Dark
Why does making something wet cause it to look darker?
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Looking for Rainbows
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The amazing science of rainbows.
Science Photo of the Day
Water Magnifier
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Water Magnifier
Making a simple magnifying glass.
Fiber Optic Water
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Fiber Optic Water
Can light flow in a stream of water?
Magnifying Glass
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Magnifying Glass
Want to make something look larger? Just add water.
Changing the Speed of Light
Can you really change the speed of light? Of course you can!
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