Those who can’t do, teach (rotary-wing edition)

The YouTube result of one of our “Helicopter Demonstration for Schools”:


1 Comment

  1. Natalia

    June 20, 2017 @ 12:33 am


    Exciting! So was it part of a science class ? PS The “Notify me of follow-up comments by email” seems to not work- I keep checking the box and never get email notifications unless I specifically come back to the post.

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