Knocking on Heaven's Door - Exploring Fundamental Physics and Cosmology

Explore the frontiers of physics and cosmology in this captivating lecture by renowned physicist Lisa Randall, recorded at the Brattle Theatre in Harvard Square. Delve into the concepts presented in her book "Knocking on Heaven's Door" as Randall, the Frank B. Baird, Jr. Professor of Science at Harvard University, discusses fundamental particles, extra dimensions, supersymmetry, dark matter, and the Standard Model of particle physics. Learn about effective theories, Newton's laws, and invisible ingredients in the universe. Discover the significance of the Large Hadron Collider at CERN and the ATLAS experiment. Gain insights into string theory, its goals, and the concept of brainworlds. Examine the importance of measurement in scientific progress and understanding the universe across various scales, from atoms to cosmic structures.

Introduction
Scale
Large scales
Atoms
Effective Theories
Newtons Laws
Invisible Ingredients
Effective Theory
Atlas Experiment
Large Hadron Collider
String Theory
Goals
Brainworlds
Measure for Measure