Byrne Hobart(@ByrneHobart):7yo likes to tell me about contraptions he's dreamed up, and in the last week he came up with two things that I didn't think existed, but do: high-altitude solar-powered carbon fiber planes, and submarine safety features that use the conductivity of water to complete a circuit.

Byrne Hobart

@ByrneHobart

The John Henry of excessive use of the em-dash. Tweets are map, not territory. Co-author: Boom (Stripe Press):

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Byrne Hobart@ByrneHobart

2026.08.13 22:00

7yo likes to tell me about contraptions he's dreamed up, and in the last week he came up with two things that I didn't think existed, but do: high-altitude solar-powered carbon fiber planes, and submarine safety features that use the conductivity of water to complete a circuit.