2018-11-19 2 min read


Planning & Strategy.

Making & Manufacturing.

Maintenance, Repair & Operations.

Distribution & Logistics.

Inspection, Testing & Analysis.

  • A good explanation of how the International Prototype Kilogram worked, and why the kilogram was redefined.
  • "A nice, very inexpensive, voltage reference."
  • Drew on HQ2: "Everyone agreed even a year ago that HQ2 would destabilize whatever city it came to in many ways, but to my Twitter echo chamber, at least, most US cities aren't worth preserving in any recognizable form and might as well have the Amazon bomb dropped on them. If we admit that HQ2 had to end up somewhere, then, for the greater good of humanity, why not NYC, which has a robust transit system (insert joke here), is already overstuffed with money, and can best absorb a major new employer? Ultimately, our attitude toward Amazon adding a headquarters should be consistent with our attitude toward Amazon itself, but I don't know many people who want Amazon to disappear, or would even forgo their Prime subscriptions. New York City used to dump all of its garbage within city limits, but now ships its trash out to places like Pennsylvania and Virginia. HQ2 is a similar kind of externality; by having it in our backyard maybe we'll take its negative side effects more seriously."
  • A nice animated Porsche engine teardown.


What it takes to maintain Mold-A-Rama, the vintage injection molding vending machine.

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