HackingTheUniverse

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A part of the MIT Media Lab known as the Fluid Interfaces Group is working on a 3D printing device that can create entire meals by extruding and depositing layers of ingredients from a bank of cartridges.
Cornucopia: Digital Gastronomy - [mit.edu]
Cornucopia is a concept design for a personal food factory that brings the versatility of [...]

Commerce in space will be driven by the demands of exchange and the economic factors involved.
Raw Materials:
Air and water are likely to be in high demand and even if they become somewhat abundant, will always remain treasured for their inherent importance. Food will be mostly manufactured locally, assuming you have the raw [...]

Before attempting to predict how commerce will occur in space or how government will be designed to regulate it, it is important to understand how the basic economic factors will be changed.

Comparison of Economic Elements

On Earth
ELEMENT
In Space

free
AIR
expensive

cheap
WATER
expensive

moderate
FOOD
moderate

expensive
ENERGY
cheap

expensive
TERRITORY
free

expensive
BUILDING MATERIAL
cheap

expensive
SHELTER
cheap

expensive
TRANSPORT
cheap

local-fast
COMMUNICATIONS
nonlocal-slow

Even though air and water may be available in abundant supply (in the asteroids and on moons) it [...]

Life support systems in space involve a range of areas and considerations.

Short term issues:

Hull protection - compression, extreme temperature control, and extreme radiation protection are usually provided by some kind of hull in either a spacecraft or a larger living habitat structure
Short term breathable oxygen supply - a tank of air and a delivery mechanism
Short [...]