To Infinity Table and Beyond

To Infinity Table and Beyond

Light, it’s properties, and the ways it can be manipulated are as fascinating as they are beautiful. It can be bent, slowed down, absorbed, and reflected. It turns out that the study of optics looks into all of these different interactions. But what happens when you want to mix the science of optics with a

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DIY: 3D Hologram

DIY: 3D Hologram

Have you ever wanted to feel like you exist in a Sci-Fi world? Or make something that just seems impossible? With this DIY 3D Hologram you can! It is a simple at-home craft that will dazzle your friends and family. All you will need: Printable template Transparency sheet Scissors   Marker Ruler Smartphone or tablet

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Hiding from Thermal Vision

Hiding from Thermal Vision

Thermal cameras operate by looking at objects in a different band of light called infrared, which is the way heat transmits. Ordinarily, you could see a person from behind a wall or other solid object by looking in the infrared, as their heat still passes through that object somewhat, like with the garbage bag (DO

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Groundhog Phil’s Got Nothing On These Shadows

Groundhog Phil’s Got Nothing On These Shadows

While the eyes of Punxsutawney, Pennsylvania are focused on the shadow of a groundhog. We here at AstroCamp have different shadows in mind. Using red, green, and blue lights, we’re making up to seven different shadows at once! The key to these shadows is the different lights, both their colors and their positions. Red, green,

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Refraction: How To Bend a Laser Beam

Refraction: How To Bend a Laser Beam

Light travels at different speeds through different media. Water slows light down more than air, for instance. Corn syrup slows it down even more than water. In this experiment, we create a gradient solution of sugar water in a tank. As a laser beam travels through the liquid, the changing concentration bends its path! The

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How To Trap a Laser

How To Trap a Laser

Ever notice how, when you look into rippling water, you see slices of what’s below the surface mixed with broken reflections of the world above? When light hits a boundary between two different media, it can either travel ahead into the second medium (refraction), bounce back into the first (reflection), or do a little of

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Why Is The Sky Blue?

Why Is The Sky Blue?

Ever heard that the sky is blue because it’s reflecting Earth’s water? It’s a myth! If the sky was just mirroring the planet below, it would be brown in Utah. The real reason for our atmosphere’s hue has its roots in a more fundamental question: how do we see the world around us? The electromagnetic

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Survival Skills: Science Style

Survival Skills: Science Style

Light travels incredibly fast. In a vacuum, it speeds along at nearly six trillion miles per hour. Ever notice how your feet look distorted when you wade in the water, or how a straw seems to be cut in half where it enters a full glass? When light travels through a medium, it slows down.

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DIY Optics Experiment

DIY Optics Experiment

Ever tried burning wood or pine needles with a magnifying glass? It works best when you adjust the glass to create a small, bright spot of light. After its 93-million-mile journey to Earth, sunlight isn’t ordinarily hot enough to start a fire, but the magnifying lens focuses a large cross-section of light rays into a

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