Let's Reverse Engineer the Universe

Explore the enigmatic realm of dark matter and dark energy in this captivating conference talk from the 35th Chaos Communication Congress. Delve into the mysteries of the universe, learning how scientists have deduced the existence of these invisible substances that make up the majority of our cosmos. Discover the methods used to reverse engineer the universe, revealing intriguing features of its dark components. Follow the journey through the Milky Way Galaxy, understanding how gravity drives universal dynamics and how tools like Cepheid variable stars and redshift measurements have shaped our understanding of cosmic expansion. Examine the crisis facing cosmology regarding dark matter theories and the ongoing search for dark matter particles. Gain insights into the Standard Model, direct and indirect detection methods for dark matter, and the phenomenon of gravitational lensing. Uncover the ingredients of the universe and contemplate the nature of dark energy in this thought-provoking exploration of the cosmos.

Intro
Let's reverse engineer the Universe
The Milky Way Galaxy
Gravity drives the universe
Cepheid variable stars to measure distance
Redshift – Doppler effect for light
Galactic velocities in galaxy clusters
Rotation curves
Fleeing galaxies velocity
The universe expands
The universe is dynamic
Baby picture of the Universe
Footprints in the sky
Ingredients of the Universe
and what do we know about Dark Energy?
Standard Matter
Standard Model
What is the nature of Dark Matter?
Direct Dark Matter detection
The ,smoking gun - indirect detection
Gravitational Lensing