In a conversation from SAND18 Italy, two philosophers and information theorists exchange ideas about the nature of reality. Sharing the gift of using everyday objects as illustration they invoke explanations from Plato to quantum theory to investigate some age-old questions - like whether the moon is still there when we close our eyes. They ask the fundamental question, What does it mean for multiple observers to share a single world, when it is different for each observer? - and suggest that we are moving from a world of entities to one of relationships.
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If you were to go as far out into space as you can imagine, what would you encounter?
New evidence shows that the key assumption made in the discovery of dark energy is in error
Recent experiments have put relatively large objects into quantum states, illuminating the processes by which the ordinary world emerges out of the quantum one.
The Big Bounce theory was once thought impossible. But two physicists have just resurrected it.
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