A Brief History of Time - Summary and Key Ideas

The book A Brief History of Time (1988) is about the mysteries of the universe and Stephen Hawking's groundbreaking theories that revolutionized our understanding of space, time, and the cosmos. This captivating read takes readers on a journey through black holes, the Big Bang, and the nature of time itself, leaving us questioning everything we thought we knew about the universe.

This book is a perfect read for individuals that are interested in understanding the fundamental principles of the universe and the laws of physics. It is tailored to those who have a basic knowledge of science and are looking to expand their understanding of the cosmos.

Buy the book
A Brief History of Time

Key ideas


The Universe has a beginning and an end.


The Universe is governed by physical laws.

Play in App

The Theory of General Relativity explains gravity and the large scale structure of the Universe.

Play in App

The Uncertainty Principle and Quantum Mechanics apply to subatomic particles.

Play in App

Black holes are predicted by General Relativity and confirmed by observation.

Play in App

The Arrow of Time points from past to future.

Play in App

The search for a Theory of Everything continues.

Play in App

Time travel is theoretically possible, but not yet practical.

Play in App

Play in App

Play in App

Play in App

Play in App
Get the App
Access all 9 key ideas for free!

Summary & Review

In "A Brief History of Time" Stephen Hawking takes us on a journey through the history of the universe, from the Big Bang to black holes. He explains complex concepts in a way that is accessible to all, making it a must-read for anyone interested in the mysteries of the cosmos.

Stephen Hawking

Stephen Hawking was a renowned theoretical physicist, cosmologist and author. Despite being diagnosed with ALS at age 21, he went on to make groundbreaking contributions to our understanding of the universe, including the concept of black holes and the origin of the universe itself. He also popularized science through his books and lectures, making complex ideas accessible to the general public. His legacy continues to inspire and influence the scientific community today.

Explore more book summaries

Artificial Intelligence

The book "Artificial Intelligence" broadly explores the concepts, theories, and applications of AI, providing insights into its potential impacts on various aspects of human life and society.

Read Write Own

Read Write Own discusses a new age of the Internet - the 'read-write-own era', where anyone can become a network stakeholder having power and economic upside which were only enjoyed by stockholders previously. It introduces 'crypto' or 'web3' as a synonym for this movement, and suggests its impact on the digital landscape.

Exponential Theory

Exponential Theory is a book that encourages readers to think big and make a significant impact on the world, providing insights and strategies to solve global problems and create innovative companies. It also shares stories of individuals and groups who have made significant changes in the world through their big thinking.


"Megathreats" ist ein Buch, das die größten globalen Herausforderungen des 21. Jahrhunderts untersucht, darunter den Klimawandel, Pandemien und technologische Umbrüche. Es bietet Einblicke, wie diese Bedrohungen bewältigt und gemindert werden können.


"Megathreats" is a book that explores the most significant global challenges of the 21st century, including climate change, pandemics, and technological disruption. It provides insights into how these threats can be managed and mitigated.


Blackout is a gripping thriller set in a scenario where all the electricity grids in Europe collapse due to a hacker attack. Amid the ensuing chaos, Piero Manzano, a former hacker becomes a prime suspect but also the only man capable of tracking down the real culprits. As days turn into weeks, the stakes increase and so does the death toll.