Question Reality! Science philosophy a search for meaning Specialization

How much can we know of the physical world? Can we know everything? Or are there fundamental limits to how much we can explain? If there are limits, to what extent can we explain the nature of physical reality? RealityX investigates the limits of knowledge and what we can and cannot know of the world and ourselves.

We will trace the evolution of ideas about the nature of reality in philosophy and the natural sciences through the ages. Starting with the philosophers of Ancient Greece and ending with cutting edge theories about the universe, quantum physics, and the nature of consciousness.

Join world-renowned physicist and author Marcelo Gleiser and leading experts as we explore how philosophers and physicists from Plato to Einstein and many others have attempted to explain the nature of the world and of reality.

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Question Reality: Cosmos (Coursera) Coursera
Dartmouth College

Question Reality: Cosmos (Coursera)

Embark on a journey through time as you question the very nature of reality and the universe around us. This course takes you from the early civilizations' worldviews to the groundbreaking ideas of Plato, Aristotle, and Copernicus, offering an in-depth exploration of how our understanding of the cosmos has evolved.

Jun 15th 2026
3 Weeks
Question Reality: Mind (Coursera) Coursera
Dartmouth College

Question Reality: Mind (Coursera)

Embark on a thought-provoking journey through Question Reality: Mind, an online course designed to challenge your perceptions about mathematics, nature, logic, consciousness, free will, artificial intelligence, and more. This course invites you to question what you know and explore the fascinating realms of human cognition and machine intelligence.

Jun 15th 2026
3 Weeks
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