Topics worth your time: what a grill scrubber reveals about the incentives needed to seed reindustrialization, using metal 3D printing to make tooling for high-volume production, building an intuition for energy conversion, an archive of annual report covers, and more.
For all the talk around reindustrialization and rebuilding skilled trades infrastructure, the simplest question to ask is perhaps the most revealing: can you make a component in your country and remain competitive in the market?
Destin from Smarter Every Day released a second video in his pursuit of the question through the production lifecycle of a grill scrubber. It’s a simple mechanical commodity (a stamped handle, injection-molded knob, threaded insert, and patch of chainmail), but each component exposes a different thread of the domestic manufacturing base.
The video, well worth watching in full, is a fascinating story about the long-term effects of offshoring manufacturing and the implications of globalization.
TL;DR: offshoring can (and did) erode decades of accumulated tools, suppliers, and knowledge.
Some engineering details worth noting:
On tooling. While 3D printing isn’t a viable substitute for mass production, there is a useful inversion in using it to make the tooling for a high-volume process like injection molding. Companies like Mantle can metal 3D print and machine mold cavities, and for the scrubber’s knob, the turnaround was just around a week. Almost all tool-and-die work is now cut overseas, then shipped to run on machines domestically.
Automating process bottlenecks. Purpose-built automation can still be designed and built domestically, provided the equipment exists. To automate laser engraving of the handle, Modern Machine Integrators turned their initial prototype into a production-ready indexing machine (32:08).
Dual-sourcing the threaded insert was also an interesting thread on the capabilities of Swiss CNC lathes (14:34), which can turn, mill, tap, and deburr a part in one automated cycle.
Acquired’s episode on Nest is a fun listen on raising capital and how Google framed the acquisition around the premise of the ‘home’ as the next computing interface.
An automatic linkage design tool - define an output path and the tool generates a mechanism to trace it.
Divide by zero on a mechanical calculator.
Build logs for a fingerprint reader that handles Mac login and sudo commands.
A searchable archive of 3,000+ annual report covers dating back to the 1940s.
A reader submission from SC: an homage to vintage computers, in an era of distinct aesthetics and an elegance in writing compact code.
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Construction Physics’ energy cheatsheet.
Castelion raised $1B in Series C funding to scale production of its low-cost hypersonic missile.
Grounded raised $5M in seed funding to expand its Detroit factory for modular commercial-van conversions. End uses include mobile clinics, camper vans, and more.
BlocPower is shutting down and liquidating assets after raising more than $200M to finance building-electrification projects.
Blueprint raised a $1M pre-seed for software that turns text prompts into hardware build plans.
Sebastian Thrun is building a new stealth robotics startup. Details are light, but the company says it is developing foundation models for hardware design.
Aris Machina Protos – Design & validate anything, with the AI-native workspace for industrial science and hardware R&D.
SolidWorks for Startups – Full access to SolidWorks’ product development tools, free for early-stage startups.
Zoo – AI-native CAD with a modern geometry engine, readable code, and editable feature trees for precise, editable models.
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