Current state of play in modern physics for the dim

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SUMMARY

The discussion centers on the rapid advancements in modern physics, particularly the emergence of concepts such as string theory, dark matter, and dark energy. Participants express curiosity about the current understanding of the universe's mass and energy distribution across dimensions, as proposed by string theory. Key questions include the nature of strings, the potential for discovering new particles, and the implications of gravity's relative weakness. The conversation highlights the need for accessible resources for non-technical individuals seeking to grasp these complex topics.

PREREQUISITES
  • Basic understanding of string theory and superstring theory
  • Familiarity with concepts of dark matter and dark energy
  • Knowledge of fundamental particles in physics
  • Awareness of gravitational theories and their implications
NEXT STEPS
  • Read "The Elegant Universe" by Brian Greene for an introduction to string theory
  • Explore "A Brief History of Time" by Stephen Hawking to understand cosmology fundamentals
  • Investigate current research on dark matter and dark energy through scientific journals
  • Learn about the Standard Model of particle physics for a comprehensive overview of known particles
USEFUL FOR

This discussion is beneficial for students, educators, and enthusiasts in physics, particularly those seeking to understand contemporary theories and concepts in cosmology and particle physics.

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Not really sure I have the right forum for this but here goes. This is for self education and nothing more.

When I left school (25 years ago) I thought I understood physics. Since that time physics seems to have exploded. Particles have got smaller, string theory has appeared in the public eye, dimensions seem to be popping up everywhere. Most of the mass and energy in the universe has disappeared. ie. dark matter and energy.

Are we as a species anywhere close to getting the complete solution ?

Is there a calculation that will take the current mass/energy thought to be present in the universe and divide it up into the current number of dimensions according to string theory, super string theory etc. What are stings ? Are there more particles to be discovered ? Is gravity weaker than it should be ? If so, do we know why ?

What should I read to start to get an over view for a non technical Joe.

Thanks.
 
Physics news on Phys.org
The FAQ section on this forum in cosmology is a good place to start.
 

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