Footprints of alien technology |
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| Institution: | 1. Intensive Care Unit, UZ Brussel, Vrije Universiteit Brussel, Brussels, Belgium;2. Department of Nutrition, UZ Brussel, Vrije Universiteit Brussel, Brussels, Belgium;3. Clinical Nutrition and Dietetics Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy;4. Pain Management and Palliative Care, Department of Anesthesia and Intensive Care, S. Giovanni Battista Hospital, University of Turin, Turin, Italy;5. Department of Oncology, UZ Brussel, Vrije Universiteit Brussel, Brussels, Belgium;6. Diabetes Clinic, Department of Internal Medicine, UZ Brussel, Vrije Universiteit Brussel, Brussels, Belgium |
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| Abstract: | If alien civilizations do, or did, exist, their technology will impact their environment. Some consideration has been given to the detection of large-scale astro-engineering, such as Dyson spheres. However, a very advanced technology might leave more subtle footprints requiring sophisticated scientific methods to uncover. We must not overlook the possibility that alien technology has impacted our immediate astronomical environment, even Earth itself, but probably a very long time ago. This raises the question of what traces, if anything, might remain today. I shall consider the possibilities of biological, geological and physical traces, and suggest ways that we might search for them. |
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