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At the Root of Things: The Subatomic World is a
journey into the world of elementary particles—the basic constituents of
all matter in the universe—and the nature of the interactions among
them.

The book begins with a summary of pre-quantum physics and
later tackles quantum physics, which is essential for the study of
elementary particles. The book discusses the emergence of quantum theory
from studies in heat radiation and the photoelectric effect as well as
developments that led to the concept of duality between particles and
waves. Also discussed is how quantum theory helped to better understand
the structure of atoms and the discovery of particles that were not
constituents of atoms, such as the positron and the muon.

Dozens
of particles that were discovered experimentally in the 1950s and the
1960s are described along with fundamental particles—quarks and leptons.
The book concludes with a discussion on fundamental interactions, the
basic nature of quantum theories surrounding these interactions, and a
discussion of how these interactions might be unified.

At the Root of Things: The Subatomic World iswritten
in non-technical language making it accessible to a broad audience. It
helps outsiders understand the subject in a non-mathematical manner and
inspires them to learn more about this interesting field.