Once, in a phone conversation, I caught him using a familiar phrase.

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"She said, 'Don't ever threaten me again, '" said a second official familiar with the heated conversation.

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And so I suspect this is a conversation that will sound familiar to some students and some parents here today.

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But in spite of Arduino's near ubiquity these days, we'll admit that we were a bit taken aback when the familiar blue microcontroller made an appearance on a lab desk during our conversation with NASA "lighting guy, " Dr. Eirik Holbert.

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