Reflections on the nature and direction of time

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Presentation transcript:

Reflections on the nature and direction of time

Talk structure Caveat 10 minutes reflections on reality 12 minutes reflections on time 8 minutes concluding reflections

Nature of reality We need to reflect on what our reality is Whether time was born with this universe? Or is time embedded in the fabric of “reality”? Or is it emergent from more fundamental stuff? And in what direction does it move?

Big Crunch to Big Bang

Background microwave radiation

Inflation

Big Bounce

Multiverse?

The String Theory Landscape

The Bulk

Time – “..a big ball of wibbly-wobbly, timey-wimey stuff” Scientists insist that the most successful theories in physics prove that time does not exist

Time is not absolute

The arrow of time

Thermodynamic Arrow of Time

Is the Arrow of Time an Illusion?

Time a succession of frames?

The three theories

More than one dimensional time

Many-Worlds Interpretation of Quantum Mechanics

Are we living in a simulation?