The Acquired Principle of Past and Present, reference 2: Research on Quantum Gravity

Contents

1 Introduction

1.1 welcome to a new episode of "Discovery"

1.2 exploration of the unknown and "24H exploration force"

1.3 Stephen Weinberg's "Progressive Gravity" in contrast to other theories

2 the core and importance of quantum gravity

2.1 Harmonic Microworld and the Challenge of Macro Scale

2.2 a ......