How far away are we from a 14mt clanking replicator architecture?

We are one step ahead.The question is not how far away we are, but how small we can make it for practical purposes.And how well we have documented the plan for tech-seed to grow. The real growth of our technologies started in late 19 century and the beginning of 20th century.The amount of information and … More How far away are we from a 14mt clanking replicator architecture?

Is there an upward limit to the size of spacecraft with “Centrifugal” gravity?

I highly recommend to read: O’Neill, G. K: The Colonization of Space, Physics Today, vol. 27, no. 9, Sept. 1974, pp. 32–40. Up to 16km radius is doable with usual materials. Conservative estimations with old steel (1920) 3.2km O’Neill, G. K: The Colonization of Space, Physics Today, vol. 27, no. 9, Sept. 1974, pp. 32–40. One … More Is there an upward limit to the size of spacecraft with “Centrifugal” gravity?

How can Average Joe create a micro-state that is a member of the UN in the least amount of time?

Q:Now assume Joe is an average white American citizen who has attended college and earns 50,000 USD annually. In addition to his salary, he has 100,000 USD in his bank account. He has no family and is prepared to spend any time, effort, and/or money needed to create a country (most likely a micro-state) that … More How can Average Joe create a micro-state that is a member of the UN in the least amount of time?

Giant Planetary Ring Bases, are they feasible?

Q:Giant Planetary Ring Bases (or GPRB’s) are space stations built on planetary rings or are artificial rings themselves, such as Starship Troopers’ Luna Base. But are these super stations feasible? Assuming the ring is 30 by 30 meters all the way around the planet, would it be realistic to build such a structure? A: Yes, … More Giant Planetary Ring Bases, are they feasible?