Monthly Archive: October 2014

Oct 28

Plasma skull and bowling balls

bowling ball drilling considerations

Video of the skull encasing a plasma globe created in the last session of Miguel’s Science Class is on YouTube, linked from the skull image. We discussed states of matter (who knew there was more than plasma?!?), identifying which states tend to persist in volume and shape with change of pressure.  Playing with a balloon, …

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Oct 23


skull glowing front

Anticipating Halloween, Miguel’s Science & Technology Class (2014 Oct  21) encased a plasma globe inside a foam skull.  Measuring the radius of the globe, we measured back from the eye sockets to determine where to slice the skull in half.  Then we carved out a spherical space inside the skull, repeatedly trying to seat the skull …

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