2017-12-05 2 min read


First, a warm welcome to our new sponsor, Shaper Tools! I love seeing construction tools get an update, and it's great to have them here :)

Second, thanks to everyone who sent kind words about last week's tool guide. Need a permalink? It's all on theprepared.org.

Third, on the podcast this week, Zach and I talk to Reilly Brennan about all things transportation.

Planning & Strategy.

Making & Manufacturing.

  • A really fantastic 3D model of the tooling used to injection mold Studio Neat's Glif. This thing is *great* - slides all over the place and in particular a *ton* of complexity in the areas that will eventually be overmolded. I recommend spending a few minutes here, isolating some part of the tool and figuring out what it's there for - it's really satisfying.
  • A pretty rad video of a tree cutting & splitting machine.
  • Samsung is working on batteries based on "graphene balls," with double digit improvements in energy density and 5x charge speeds. Very impressive, though with graphene you always have to watch out for the sections where they say "in theory..."

Maintenance, Repair & Operations.

Distribution & Logistics.

Inspection & Testing.

  • "The Union of Concerned Scientists analyzed the cost of refueling electric and gasoline vehicles in each of the 50 largest cities in the United States. In every city, there is a rate plan that would save the average EV owner on fuel costs, with the median savings over $770 per year."
  • Ingrid Burrington shows the NYTimes where (physically) the internet is.


An analysis of CitiBike rebalancing data.

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