The last mile of physical AI
What my SousX food robots taught me about failed grasps, crushed produce, cleanup, and the distance between a demonstration and a useful product.
Independent notes · Expanded edition
Essays &
working notes.
Ideas should survive contact with reality.
I’m Annas Farra. I write about invention, the economics of useful progress, and the people and choices that make a life. This is a notebook of experiments, arguments, and work in the world.
A little about me ↗13 essays. 5 notes. Work since 2017.
Start here01 / 13
Spectroscopy · 11 minute read
Uncharted Territory: Hacking Drug Shortages Through Persistent Invisible Physics
Drug shortages, recalls, and release delays explain the stakes. Three stages of SignAiture experiments show the promise of electromagnetic sensing and the work needed to turn a changing signal into a reliable quality decision.
Read the essayThe index
All essays ↗Three connected lines of inquiry. Follow a subject, or start with a question.
I.
Technology & the physical world
What happens between a promising capability and something people can rely on.
Uncharted Territory: Hacking Drug Shortages Through Persistent Invisible Physics
Drug shortages, recalls, and release delays explain the stakes. Three stages of SignAiture experiments show the promise of electromagnetic sensing and the work needed to turn a changing signal into a reliable quality decision.
You have five seconds. Have fun.
A passing intention is easy to lose, and a reactive mind can be profitable. On attention, neurochemistry, advertising, recurring revenue, and interfaces that help us recover the room to choose.
II.
Judgment & institutions
How decisions get made, how people learn, and how useful work reaches completion.
The next dollar should buy an answer
An innovation portfolio becomes more useful when it records the uncertainty each project must resolve—and what happens after the answer arrives.
How do you scale a person’s judgment?
Capturing decisions, learning the reasons behind them, and earning bounded authority—without turning a leader’s preferences into unquestionable rules.
Capitalism eats policy for breakfast
An entrepreneurial argument about incentives, its strongest institutional objection, and a harder test: does a business become more valuable as the customer’s life improves?
Scaling sustained scarcities
Essential needs endure even as their bottlenecks change. The opportunity is to build repeatable supply, finance it through credible future payments, and leave the next generation with fewer unavoidable burdens.
A patent is not a business strategy
Lessons from building the work around inventions: understand the technical contribution, document it precisely, connect it to products and partners, and keep the customer’s problem in view.
Seeking Alpha Is for the Birds
Why enduring constraints in energy, health, materials, and safety are my starting point—and why scarcity alone does not establish an investment.
III.
People & possibility
Working across boundaries, spending attention well, and making room for a life.
A bridge is a working relationship
Cross-border collaboration becomes valuable when someone carries a shared problem through the differences in context, incentives, and execution.
Good enough is a decision
A personal rule for distinguishing consequential choices from decisions that merely offer endless opportunities to keep searching.
An open door is only the beginning
Scholarships, mentors, and institutions matter most when an opening becomes a real chance to contribute. A reflection on receiving support, mentoring others, and combining care with honest standards.
The unfinished work of becoming myself
My CCL exercises and career experiments are teaching me to make purpose concrete: in the work I choose, the promises I keep, and the ordinary days I actually live.
From the notebook
All notes ↗Smaller observations, questions worth keeping, and ideas still taking shape.
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Before the pilot, write the decision
A small test should have somewhere to go.
Personal AI: an experiment log
What finished, what needed correction, and what remains unmeasured.
What survives an ordinary Tuesday?
Fatherhood, friendship, and a life that does not need a milestone to count.
Bring a better account of the problem
A note on independent judgment.
Making a lamp
Wood, light, and the pleasure of a finished object.
This is a place for ideas to get more precise over time.
Claims should have evidence. Questions can stay open.