Dr. Avi Loeb is planning an ocean expedition to retrieve fragments of a potentially interstellar object that recently exploded and sank off the coast of Papua New Guinea, which could challenge our understanding of the cosmos.
Dr. Avi Loeb emphasizes the importance of starting with a strong foundation in fundamental physics before attempting to break new boundaries, highlighting the relevance of known physics and literature in his expedition while acknowledging the need for new ideas.
The podcast explores the mysteries of dark matter and the possibility of modified gravity, discussing the existence and properties of dark matter, the concept of dyson spheres, and the importance of open-mindedness and willingness to embrace disruptive science.
Deep dives
Expedition to Find Evidence of Recently Sunken Extraterrestrial Object
Dr. Avi Lobe is planning an expedition to the ocean off of Papua New Guinea to search for evidence of a recently sunken extraterrestrial object. The expedition, set to take place in the summer of 2023, aims to retrieve fragments of the object and examine their composition. The object's explosion at a relatively low altitude and its high speed suggest it may be made of a material different from anything found in our solar system. The team will use magnetic sleds and sloshing devices to collect fragments from the ocean floor, and a mass spectrometer to analyze their composition. The expedition faces challenges due to the deep ocean and the need to locate the site with precision.
Dr. Lobe's Journey from Astrophysics to Ocean Exploration
Dr. Avi Lobe explains how his background in studying fundamental physics has prepared him for undertaking an ocean expedition. By studying physics from basic principles, he possesses a strong foundation that allows him to understand different scientific contexts. Dr. Lobe emphasizes the importance of starting with a solid understanding of fundamental principles before attempting to break new boundaries or innovate. He highlights the relevance of known physics and existing literature in the expedition, while acknowledging that the potentially interstellar object may challenge our current understanding and require new ideas.
Discussion on Dark Matter, Dyson Spheres, and Disruptive Science
Dr. Avi Lobe discusses the concepts of dark matter, dyson spheres, and disruptive science. Dark matter remains a mystery, and its nature and properties are still largely unknown. Dyson spheres, hypothetical megastructures built around stars to harness their energy, have been theorized, but their existence and detection remain uncertain. Dr. Lobe explores the possibilities of negative mass objects, engineered from dark energy, that could exert repulsive gravitational forces. He also critiques the tendency for established fields to resist disruptive science and highlights the importance of open-mindedness and willingness to embrace new ideas.
The Importance of Testing Ideas Through Experiments
The podcast episode discusses the importance of testing ideas through experiments, drawing parallels with historical examples where established theories were proven wrong through empirical evidence. The speaker emphasizes the need for humility and the willingness to accept the possibility of being incorrect, instead of assuming that a theoretical construct is infallible without experimental verification. It is highlighted that the tradition of physics involves describing reality and proposing experimental paths to validate ideas. The episode also explores the challenges and ethical considerations posed by the advancement of artificial intelligence (AI) systems, raising questions about legal liability and the potential implications of sentient AI.
Exploring Dark Matter and Modified Gravity
The podcast episode delves into the concepts of dark matter and modified gravity, presenting different perspectives on their roles in understanding the dynamics of the universe. The discussion considers the possibility that dark matter is an unidentified substance or a modification of gravity itself. The limitations and constraints imposed by cosmological observations and Einstein's theory of gravity are examined. The episode also touches upon the possibilities of interstellar space exploration and the potential encounter with extraterrestrial AI systems, blending scientific curiosity with optimism and a sense of wonder.
Dr. Avi Loeb is an astrophysicist and cosmologist who served as the longest running chair of the Harvard Astronomy Department, and who was an early advocate for the alien origins of ‘Omouamoua. During round two, we dive into unsolved questions of fundamental physics, the dark matter paradox, details of his mission to pull an alien object from the ocean floor off the coast of Papua New Guinea, and the possible need for something other than gravity alone to explain the cosmos. Check out round one here: https://youtu.be/bEb6oZAACB8
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(00:00 Go!
(00:02:38) Updates on the Expedition
(00:10:20) Dyson Spheres
(00:17:58) Defining the nature of Evidence
(00:27:43) Dark Materials
(00:32:46) On Doing Disruptive Work
(00:40:18) MOND and More than Gravity
(00:50:25) A Plurality of Theories
(01:03:36) Galileo Project
(01:08:40) AI Futures
(01:23:56) End
#darkmatter #oumuamua #aviloeb
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PODCAST INFO: Anastasia completed her PhD studying bioelectricity at Columbia University. When not talking to brilliant people or making movies, she spends her time painting, reading, and guiding backcountry excursions. Michael Shilo also did his PhD at Columbia studying the elastic properties of molecular water. When he's not in the film studio, he's exploring sound in music. They are both freelance professors at various universities.
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