Category Environment

An Open Letter to the SETI (Search for Extraterrestrial Intelligence) Project

Dear SETIans! For quite a long time now, you and your predecessors at SETI have been trying to find a signal from an extraterrestrial civilization. So far, nothing has been found. It appears to me that there is a message in this fact. In a way, the universe has sent us a message and I […]

Civilizations

Civilizations have two important properties: they are dissipative systems, and they are creative systems. A dissipative system is a physical system that maintains its state by turning resources from a usable form into an unusable waste form. In terms of physics (specifically: thermodynamics) one can describe them as dynamic systems that produce entropy (i.e. they […]

Civilizations – Part 4

(continued…) The standard view on resources is to treat them as being external to the system. So we perceive the extension of the system of our civilization as growth. But while this system is growing, the resources are shrinking. If growth happens at a constant rate (measured in percent), it is actually exponential, so the […]

Civilizations – Part 3

(…continued). If a civilization outstrips the available resources and does not manage to stop growing, it will use up its reserves (raw materials, ecosystems, biodiversity, land, water, the ability of the environment (including the atmosphere) to take up its waste products, sources of energy) and then it will be too big for the resources that […]

Civilizations – Part 2

(…continued). The amount of resources of any kind is limited. For a growing civilization, this can lead to a crisis. But being creative, a civilization is able to open up new resources. Examples from history include the invention of clothes, fire and housing enabling humans to settle in colder areas, the invention of bow and […]

Redefining our Relationship with the Future – Part 2

Currently we are treating the future like colonizers of the 19th and early 20th century where treating their overseas colonies. On one hand, we are extracting resources from that “colonized future”, but on the other hand we are projecting some high tech dreams into it, pretending that economic growth can go on indefinitely. But just […]

Building a Time Machine

In this article, I am explaining how to build a time machine that can be used to send raw materials into the future. How can this be done, and what would it be good for? As you will see, it is technically possible without breaking the laws of physics. And it could even be useful. […]