Jack B
  • Member for 5 years, 4 months
  • Last seen more than 1 year ago
Electrical Engineering 11,948 rep 1 gold badge25 silver badges46 bronze badges
Space Exploration 583 rep 2 silver badges8 bronze badges
Skeptics 541 rep 6 silver badges8 bronze badges
Worldbuilding 371 rep 2 silver badges2 bronze badges
Engineering 353 rep 1 silver badge7 bronze badges

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