He tells me a story about how his father, an engineer and semi-serial entrepreneur, helped him build a model of a mass spectrometer out of Legos, ball bearings, and magnets when he was 11. (A few weeks later, Dorsey’s father, Tim, tells me his version of the story, taking the time to teach me the concept of mass spectrometry. In the Lego device, the magnets were there to encourage ball bearings of different sizes to arrange themselves by weight, just as a real device would do with gases of different weights. “Did it work?” I ask. “No! It was a disaster!” Tim Dorsey laughs. “But we had a great time!”)
From our story about Jack Dorsey, cofounder of Square and Twitter. Read more->
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