The Impracticality of Organic Life for Space Travel: A Case for Technological Evolution

by George Strongman


The prospect of exploring the vast expanse of space has always been a beacon for human curiosity. However, as we push the boundaries of our understanding and technological capabilities, it becomes increasingly apparent that human or organic life forms are unsuitable for space travel. The fundamental requirements for human survival—oxygen, food, medical care, to name a few—pose significant challenges that complicate the objective of interstellar exploration. This essay aims to present a comprehensive argument advocating for the shift of focus from sending organic life forms to space to investing in the research and development of alternatives such as HV3s (Human Version 3.0) and TBRCs (Total Body Replaced Cyborgs).

The Biological Constraints of Space Travel

The first and perhaps most apparent obstacle to human space travel is our biological makeup. Humans, like all organic life forms, are products of evolution on Earth, designed to thrive under specific conditions: a particular range of temperature, gravity, and atmospheric composition. Our bodies are tuned to function optimally in an environment with around 21% oxygen, 1G gravity, and temperatures around 20-25°C. These parameters are drastically different in the hostile environment of space, necessitating significant life-support systems for human survival.

The harsh realities of space travel can lead to numerous health complications for astronauts. Exposure to zero gravity can cause muscle atrophy and bone loss. Cosmic radiation, beyond the protective shield of Earth’s magnetosphere, can result in cancer and other severe health issues. Moreover, the psychological toll of isolation and confinement cannot be understated, with potential impacts on mental health and crew dynamics.

The Sustainability Problem

The challenges of maintaining human life in space are not merely biological but logistical as well. The provision of food, water, and medical care for long-duration missions requires a significant amount of resources, which adds to the mass of the spacecraft. According to the rocket equation, the fuel required for a mission increases exponentially with the payload mass. This leads to a snowball effect, where the need for more resources leads to a heavier spacecraft, which in turn requires more fuel, making the spacecraft even heavier, and so on.

The current technology for space travel is predominantly based on chemical rockets, which are constrained by their specific impulse (a measure of fuel efficiency). Even with potential advancements in propulsion technologies like nuclear or ion propulsion, the energy requirements for interstellar travel with human crews are still prohibitively high due to the payload mass.

The Technological Evolution: HV3s and TBRCs

Given these insurmountable biological and logistical hurdles, the future of space exploration may lie not in organic life forms but in the evolution of technology. HV3s, or human brains uploaded into android digital brains, and TBRCs, organic human brains in android bodies, could be the solution. These concepts represent the intersection of advanced robotics, artificial intelligence, and neuroscience.

The potential advantages of HV3s and TBRCs for space exploration are numerous. Android bodies are not subject to the same biological constraints as humans. They would not need oxygen or food, they would be resistant to radiation, and they could be designed to withstand the rigors of space travel. Moreover, they could be programmed to perform tasks more efficiently and accurately than humans, reducing the risk of error in critical situations.

The human element would not be lost with this transition. In the case of HV3s, the uploaded human consciousness would retain the ability to make decisions, solve problems, and perhaps most importantly, experience the wonder of space exploration. Similarly, TBRCs would preserve the human brain, allowing for the continuation of individual consciousness and identity.

The Case for Redirected Research and Development

Given these considerations, it becomes clear that the focus of space exploration research and development should shift towards these technological alternatives. By investing in the development of HV3s and TBRCs, we may open up new possibilities for space exploration that are currently out of reach for organic life forms. This is not to say that human space travel should be abandoned entirely; missions within our solar system, such as to Mars, may still be feasible with human crews. However, for long-duration missions or interstellar travel, the advantages of HV3s and TBRCs are clear.

Investing in this technology is not merely a matter of feasibility but also of efficiency and sustainability. Every dollar spent on overcoming the challenges of human space travel is a dollar not spent on developing more practical and sustainable alternatives. By redirecting funds towards the research and development of HV3s and TBRCs, space agencies could make better use of their resources and potentially achieve their goals more quickly and effectively.

Moreover, the development of these technologies could have significant benefits beyond space exploration. Advances in artificial intelligence, robotics, and neuroscience could have wide-ranging applications in medicine, industry, and many other fields. Thus, the investment in HV3 and TBRC technology could have far-reaching implications for human society as a whole.


In conclusion, while the dream of humans exploring the cosmos is a powerful one, it is important to confront the harsh realities of the challenges we face. The biological and logistical constraints of human space travel make it an increasingly impractical goal, particularly for long-duration or interstellar missions. Instead, the future of space exploration likely lies in the development of advanced technologies such as HV3s and TBRCs. By redirecting our efforts towards these technologies, we can not only make space exploration more feasible and sustainable but also drive progress in other fields and contribute to the broader advancement of human society. As we stand on the precipice of a new era in space exploration, it is crucial to make choices that will best serve our long-term interests and aspirations.