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phil
@phil
One of the most important skills I learned from my engineering education was number sense. It’s an intuition about what answers are reasonable. Not enough for precise work, but a useful barometer for gauging if you’re on the right track. These back-of-the-napkin style problems turn out to be very useful in life.
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abram
@abram
This was one of the biggest takeaways for me reading Skunk Works. Kelly Johnson had an innate number sense. Allowed them to ship much faster. Big part of why they were able to build the first US jet fighter prototype in 140 days.
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