Causality Rules

Causality RulesScattering of light by light is a fundamental process arising at the quantum level through vacuum fluctuations. This short book will explain how, remarkably enough, this quantum process can be described in terms of classical quantities. The description is derived from general principles, such as causality, unitarity, Lorentz and gauge symmetries. The reader will be introduced into a rigorous formulation of these fundamental concepts, as well as their

In this chapter

commerce and journalism

and as the expression of national and ethnic identities

the book enriches our knowledge of the eco-genocidal nature of colonisation

It contributes to the understanding of how power operates in international politics

Stephen Urgola

while virtue-signalling corporations pose as radical

tail biting and other conditions that should be avoided

but disappointed in practice

recurrent drought and heat stress due to climate change

Yasmin Desouki

Provides an original and challenging perspective on the history of chocolate