The Manhattan Project cost $12b ($800m at the time), less than half the Merced-to-Bakersfield train currently under construction (which is also taking much longer)

Real World Ethereum 🌎 
building /daimo ✳️ 

Shell corpo by local politicians extracting wealth from the treasury. What do you call those parasites?

The more contractors in the mix, the longer the project takes.
How many subcontractors do you think the Manhattan project had?
I guarantee you its less than the train project.

https://patrickcollison.com/fast

List of things we used to do incredibly fast.

I toured a nuclear silo converted into a museum recently and the tour guide said each silo cost about $12 million at the time. Granted it was in the 60s & 70s, but still seemed incredibly cheap considering the insane engineering & materials required.

A large bunch of Captains of Industry took Leave of Absence to work for the government for $1 a year. Maybe that helps with the math

UK’s HS2 line from London to Manchester has entered the chat with estimated £72-98bn ($90-120bn USD) total cost for a 140 miles of railway