Subscribe
Sign in
Home
Approaches
Landscapes
Standalones
About
How to Pick an Orbit
What different orbits buy you and what they cost
Feb 3
•
Harry O'Hanley
9
1
1
Most Popular
View all
Spiral Development for Hardware Programs
Aug 26, 2025
•
Harry O'Hanley
8
1
1
Why Three Sensors, Not Two
Dec 10, 2025
•
Harry O'Hanley
8
4
1
Going Off Nominal
Jan 8
•
Harry O'Hanley
7
1
Designed in 36 days and Built for $10: How the Sten Gun Saved Britain
Sep 28, 2025
•
Harry O'Hanley
6
1
Approaches
View all
Going Off Nominal
Engineering for the worst case
Jan 8
•
Harry O'Hanley
7
1
How Networks Survive
Babbling idiots, cut wires, and unforeseen failures that can threaten the mission
Dec 17, 2025
•
Harry O'Hanley
6
Why Three Sensors, Not Two
The best architectures don't just detect failures, they absorb them
Dec 10, 2025
•
Harry O'Hanley
8
4
1
As Built
Tools for building hardware and companies. Perspectives for why they matter to the world.
Subscribe
Landscapes
How to Pick an Orbit
What different orbits buy you and what they cost
Feb 3
•
Harry O'Hanley
9
1
1
Space is All of This
The domain that connects childhood ambition, daily infrastructure, modern conflict, and the biggest questions.
Jan 15
•
Harry O'Hanley
6
1
2
Eight Paths to Nuclear Fuel Security
A thought experiment
Dec 3, 2025
•
Harry O'Hanley
3
How to Fuel a Nuclear Reactor
The geopolitically charged supply chain that powers the world's reactors
Nov 18, 2025
•
Harry O'Hanley
4
1
Nuclear 03: How Nuclear Reactors Work
Nuclear reactors come in many different forms, shaped by technical constraints and strategic priorities. This essay explores the various commercial…
Oct 12, 2025
•
Harry O'Hanley
5
2
Nuclear 02: How to Harness Fission
The tools that turn nuclear physics into controlled power
Sep 9, 2025
•
Harry O'Hanley
1
1
Nuclear 01: How Nuclear Physics Works
A dive into the fundamentals of fission and fusion
Aug 12, 2025
•
Harry O'Hanley
1
2
Standalones
View all
The Shape of Industrialization
Boeing outsources most of the 737. SpaceX builds most of Falcon 9 in-house. The Navy owns submarine operations but not manufacturing. Each organization…
Oct 26, 2025
•
Harry O'Hanley
4
1
1
Quick Look: Ukraine's Aerial Defenses
What 50,000 drone and missile attacks reveal about modern air defense
Oct 19, 2025
•
Harry O'Hanley
2
1
1
Designed in 36 days and Built for $10: How the Sten Gun Saved Britain
An example for modern defense production
Sep 28, 2025
•
Harry O'Hanley
6
1
The Anvil Rule
Why clear skies can still scrub a launch
Aug 28, 2025
•
Harry O'Hanley
4
1
This site requires JavaScript to run correctly. Please
turn on JavaScript
or unblock scripts
