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Construction Physics

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Essays about buildings, infrastructure, and industrial technology.

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Construction Physics
Text • Brian Potter

How SpaceX Streamlined the Raptor Engine

How SpaceX Streamlined the Raptor Engine

If you’re reading this, there’s a very good chance you’ve seen this famous image of three iterations of SpaceX’s Raptor rocket engine.

Construction Physics
Text • Brian Potter

Reading List — 09/12/2026

Reading List — 09/12/2026

City permitting speeds, more efficient ground source heat pump drilling, an Amazon Air crash in Miami, cooling paint, and more.

Construction Physics
Text • Brian Potter

Where Has Construction Automation Been Successful?

Where Has Construction Automation Been Successful?

Construction is famously labor intensive: direct labor makes up close to 50% of the cost of constructing a new single-family home in the US, compared to around 6 to 8% of the cost of manufacturing a car.

Construction Physics
Text • Brian Potter

Reading List - 09/05/2026

Reading List - 09/05/2026

SpaceX’s turbine blade factory, Fervo’s deal with Google, Delhi’s cheap metro, why recycling is overrated, and more.

Construction Physics
Text • Brian Potter

How Will the 21st Century ROAD to Housing Act Affect Housing Supply? Part III

How Will the 21st Century ROAD to Housing Act Affect Housing Supply? Part III

This is my third and final essay looking at the 21st Century ROAD to Housing Act, and how it’s likely to affect housing supply.

Construction Physics
Text • Brian Potter

Reading List 08/29/26

Reading List 08/29/26

Sinking London homes, US magnesium manufacturing, the World Humanoid Robot games, catastrophic flooding in Nepal, and more.

Construction Physics
Text • Brian Potter

How the Strategic Petroleum Reserve Works

How the Strategic Petroleum Reserve Works

The US Strategic Petroleum Reserve (SPR) is the largest crude oil storage facility in the world.

Construction Physics
Text • Brian Potter

Reading List 08/22/26

Reading List 08/22/26

Los Angeles’ ADUs, electrical transformer manufacturing, gas turbine power plants, how water in the Colorado River is used, and more.

Construction Physics
Text • Brian Potter

Reading List — 08/15/2026

Reading List — 08/15/2026

Home price declines, the Strategic Petroleum Reserve, The Boring Company fundraising, and more.

Construction Physics
Text • Brian Potter

How Will the 21st Century ROAD to Housing Act Affect Housing Supply? Part II

How Will the 21st Century ROAD to Housing Act Affect Housing Supply? Part II

This is the second installment of my look under the hood of the recently passed 21st Century ROAD to Housing Act, looking at what each provision actually does and trying to suss out its actual impact on housing supply.

Construction Physics
Text • Brian Potter

Reading List 08/08/2026

Reading List 08/08/2026

The Endangered Species Act and housing production, why it’s hard for LEGO to use 3D printing, robotic welding and shipbuilding, modular data centers, and more.

Construction Physics
Text • Brian Potter

What Will the 21st Century ROAD to Housing Act Do for Housing Supply?

What Will the 21st Century ROAD to Housing Act Do for Housing Supply?

A few weeks ago the 21st Century ROAD to Housing Act became law. This is an enormous housing bill that’s been in the works for roughly a year — I first discussed it on Statecraft back in 2025 — and folks are optimistic that it will, per its description, “increase the supply of housing in America.”

Construction Physics
Text • Brian Potter

Reading List 08/01/26

Reading List 08/01/26

Pepper-spray drones, China’s chip Manhattan Project, Commonwealth Fusion’s fundraise, and a proposed Dulles Airport renovation.

Construction Physics
Text • Brian Potter

Why Is Everyone Trying to Build a Solid-State Battery?

Why Is Everyone Trying to Build a Solid-State Battery?

A battery technology that’s getting a lot of attention is solid-state batteries, lithium-ion batteries that replace the liquid electrolyte with a solid material.

Construction Physics
Text • Brian Potter

Reading List 07/25/26

Reading List 07/25/26

China’s EV subsidies, the future of aeroderivative gas turbines, a US-Saudi nuclear deal, defective roadway guardrails, and more.

Construction Physics
Text • Brian Potter

Can We Lower Construction Costs with Cheaper Labor or Materials?

Can We Lower Construction Costs with Cheaper Labor or Materials?

Last time in our series on the nature of the construction productivity problem, we looked at economies of scale, finding that capturing economies of scale in homebuilding is difficult.

Construction Physics
Text • Brian Potter

Reading List 07/18/26

Reading List 07/18/26

A setback for California Forever, a $500 million artillery shell plant not producing any shells, the difficulty of recycling EV batteries, manufacturing wire harnesses, and more.

Construction Physics
Text • Brian Potter

How Predictable Are Laws?

How Predictable Are Laws?

An enormous amount of ink has been spilled (some of it by me) on the trials and tribulations of complying with the National Environmental Policy Act, better known as NEPA.

Construction Physics
Text • Brian Potter

Reading List 07/11/26

Reading List 07/11/26

Adults living with their parents, Samsung’s profits, Native American data centers, Puerto Rico’s electricity grid, and more.

Construction Physics
Text • Brian Potter

Reading List 07/04/26

Reading List 07/04/26

Households without homeowners insurance, crackdowns on AI chip smuggling, Japan’s two electrical frequencies, Meta’s AI compute business, and more.

Construction Physics
Text • Brian Potter

The Fall and Rise of Screwworm

The Fall and Rise of Screwworm

Every spring, as sure as the seasons, and for generations unknown, screwworms began their annual march northward from their overwintering sanctuaries in Mexico and South Texas.

Construction Physics
Text • Brian Potter

Reading List 06/27/26

Reading List 06/27/26

Trump refuses to sign a housing bill, the high cost of US-made doors, slow trucking, why we stopped making new land, and more.

Construction Physics
Text • Brian Potter

US Subways Build Too Many Cross Passages

US Subways Build Too Many Cross Passages

I wrote the following piece for IFP’s Transit Abundance Playbook, a collection of 15 ideas to improve transit delivery in the US.

Construction Physics
Text • Brian Potter

Reading List 06/20/26

Reading List 06/20/26

A new housing bill, General Motors joining the grid-scale battery game, skepticism about data center delays, solid-state air conditioning, and more.

Construction Physics
Text • Brian Potter

Converting Coal Plants to Natural Gas

Converting Coal Plants to Natural Gas

For the better part of the last several hundred years, coal was the fuel of choice for generating power.

Construction Physics
Text • Brian Potter

Reading List 06/13/2026

Reading List 06/13/2026

Homes being built on top of libraries, Patriot missile manufacturing, an effort to construct new US coal plants, a tunnel between the US and Russia, and more.

Construction Physics
Text • Brian Potter

Biological Evolution and Information Acquisition

Biological Evolution and Information Acquisition

A few weeks ago we looked at a simulation of technological evolution by economist Brian Arthur, in which he was able to start with simple building blocks (such as a NAND gate) and evolve surprisingly complex circuits (such as a 12-way AND gate or a 4-bit adder) by randomly combining increasingly useful existing components.

Construction Physics
Text • Brian Potter

Reading List 06/06/26

Reading List 06/06/26

Chatbots replacing realtors, Chinese synthetic diamonds, Australian batteries, Meta’s data center tents, and more

Construction Physics
Text • Brian Potter

How Long Does It Take to Plan a Bridge?

How Long Does It Take to Plan a Bridge?

Many folks, including me, have observed that it seems to take much longer to build infrastructure in the US than it used to.

Construction Physics
Text • Brian Potter

Reading List 05/30/26

Reading List 05/30/26

A California chemical leak, weapons-grade plutonium for nuclear reactor startups, a startup that will clean your house to get robot training data, Blue Origin’s rocket explosion, and more.