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Froot Loops, Legos, and Self-Assembly

2020-04-22T19:04:27-06:00
02/12
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Forming nanostructures

Self-assembly is the process by which individual building blocks—at the smallest level, atoms—spontaneously form larger structures. The structures they form depend on the size and shape of the building blocks, and on the conditions to which these building blocks are exposed. This can be demonstrated quite simply using breakfast cereal, or for more complex cases using specially prepared Legos.

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Froot Loops, Legos, and Self-Assembly2020-04-22T19:04:27-06:00

Use Light to Turn Your World Upside-Down!

2017-06-08T15:32:37-06:00
02/19
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Making upside-down images

We can easily observe light with our eyes, and so it is one of the most familiar parts of the world around us. And yet, light often does amazing and unexpected things. Light travels in straight lines from the source to our eyes. This fact allows us to understand many of the cool things that light can do. In this lesson, we will observe how light creates mirages and shadows. And we will build a pinhole camera which makes things appear upside-down. We can understand the upside-down images by thinking about the straight line that the light took from the object to the screen.

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Use Light to Turn Your World Upside-Down!2017-06-08T15:32:37-06:00