Stand back: we’re doing SCIENCE!

At yesterday’s Make Afternoon, we assembled our cloud chamber out of a glass container, an old projector, and some very flamboyant duct tape.

Photo by @betsythemuffin

We then gathered in the glow to look for particle trails. As Katie said, looking for the “tails” left by cosmic particles was more like looking at the night sky for shooting stars–you’re barely able to register that you saw one before it’s gone–but we managed to glimpse several before the dry ice melted.

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As an added bonus, Threadwitch Sally Byers also showed up to work on her LED fashion. In this photo, she models her hat with the chemical symbols for chocolate picked out in beads and blinking LEDs. (Watch it in action here!)

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Photos by Erica Stratton

 

Our next Make Afternoon will be happening in May. In the meantime, come see us at our table at Robotfest  on April 25th.

Help Us Make A Cloud Chamber

This March, as a special project for our Make Afternoon social, we’ll be making a cloud chamber.  Invented in 1911, it’s a tool that makes cosmic particle visible to the naked eye as they travel through a cloud of alcohol vapors. We’ll be able to identify protons, electrons, and many other particles by the trails they leave as they travel through the mist:

We should have all the materials we need to create this chamber, but check out the directions if you’d like to help us put it together. And, as always, be sure to RSVP! 


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