My wife has an engineering background, and she's getting ready to go back to school for a Masters degree in education, so she can't help but mix the two passions. This year's party was about science, engineering, and of course, eggs:
|That's my gal, droppin science!|
She had a lot of science and engineering themed experiments and demonstrations prepared: she dissolved the shells in vinegar, demonstrated osmosis by inflating/deflating (if that's the right term) the shell-less eggs soaked in various liquids. And of course, she demonstrated the structural strength inherit in eggshells through their shape. She stopped short of deriving the Von Mises stress, only because they were second graders, and it was time for a bathroom break.
I setup a table with a laptop and the Egg-Bot:
|36 eggs turned out to be a little much for my demo, and|
since I let them sit out all day to room temperate to avoid
condensation, the leftover eggs were inedible :(.
Kid's don't appreciate the term "CNC" or "plotter", so I just called it a "robot", in this pre-apocalyptic, pre-singularity world, that term still has a positive connotation. I explained how it worked, and I took turns writing their names on eggs for them:
|"See kids, today robots draw on eggs for us, but future generations|
will battle them for our continued existence." (No, I didn't forget to blur-out
two of the kids' faces, those are my boys).
Anyways, it was a lot of fun, and I've been so busy that I had not really had a chance to play with my Egg-Bot until now. Several of the children immediately informed their parents that they needed to invest in an Egg-Bot of their own. Science.
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I welcome you're thoughts. Keep it classy, think of the children.