The topics for a Physics World Congress can cover a broad range of subjects to encompass the diverse and dynamic field of physics. Here are some suggested topics that you might consider including:

1. Particle Physics
   Explore the fundamental building blocks of the universe and delve into the latest advancements in understanding particles, their interactions, and the mysteries of the quantum realm. From the exploration of the Standard Model to groundbreaking research in quantum field theory, this track will showcase the forefront of particle physics research.

2. Condensed Matter Physics
   Discover the intriguing properties of matter in various states and delve into the exciting realm of quantum materials. Topics include superconductivity, topological insulators, and the latest developments in condensed matter physics, offering insights into both theoretical frameworks and practical applications.

3. Astrophysics and Cosmology
   Embark on a cosmic journey as we explore the mysteries of the universe. From the enigma of dark matter and dark energy to the detection of gravitational waves, this track will cover the latest breakthroughs in astrophysics and cosmology, offering a glimpse into the vastness of the cosmos.

4. Quantum Mechanics and Quantum Information
   Dive into the quantum realm, where classical laws no longer apply. This track explores the foundations of quantum mechanics, from entanglement to quantum computing. Discover how quantum information is reshaping our understanding of information processing and communication.

5. Nuclear Physics
   Uncover the secrets of atomic nuclei and their interactions, from nuclear structure and reactions to the astrophysical processes that shape our cosmos. High-energy nuclear physics will be a focal point, providing insights into the fundamental forces that govern the behavior of nuclear matter.

6. Optics and Photonics
   Illuminate the world of optics and photonics, exploring the principles that govern the behavior of light. From quantum optics to the development of advanced photonic devices, this track will showcase innovations that impact communication, imaging, and a wide range of technological applications.

7. Emerging Technologies
   Witness the future of physics through emerging technologies. Nanotechnology, quantum technologies, and advancements in materials science will take center stage as we explore the transformative potential of these cutting-edge fields.

8. Energy and Sustainability
   Examine the role of physics in addressing global energy challenges and promoting sustainability. From renewable energy solutions to advancements in energy storage technologies, this track will explore the contributions of physics to a more sustainable future.

9. Ethics in Physics
   Consider the ethical dimensions of physics research and practice. Delve into discussions on responsible conduct of research, ethical considerations in experimental design, and the broader societal implications of advancements in physics.

   These tracks represent the diverse and dynamic nature of the 25th Physics World Congress, providing a platform for participants to engage with cutting-edge research across various branches of physics.