How did the Ancients see the world? A quick and effective discovery of the history of the two great competing theories, from Aristotle to Galileo...

Trends! They give rhythm to the progress of societies, they inspire our lives and our ideas, they come, they go, they come back, they impose... Let's go and discover nineteen of them, from Algorithms to Utopias, from Baroque to Liberalism: trends which marked their time or which dominate ours...

Have you never really studied philosophy? Or do you want to go back to the basics? This little book is made for you: here is a handful of notions, ideas and quotes that will add grist to your mill...

Air, water, earth, life... Nature is a huge domain and a fascinating subject... What if we set out to discover or rediscover it, with new angles of view?

The Earth is under pressure, and its inhabitants, of which we are a part, now seem seriously threatened... It may even be a question of survival... It is high time to act! Yes indeed, but where to start?

This book covers the following four volumes of Historiqwo in one: Geocentrism & Heliocentrism, on the history of ancient cosmology; The First Industrial Revolution, on the birth of the technological age; 1789 A decisive beginning, which presents the first months of the French Revolution; and finally Overview of the medieval Orient, which plunges us into Middle Ages Asia... Happy reading!

A sheet which presents the principle of the "remarkable identities" in algebra, and several examples of their use!

In 1905, the young physicist Albert Einstein published an article that opened a new window on the world: the Special Theory of Relativity was born! It offers a unique approach to notions as fundamental as length, time, or energy: in a word, it definitely deserves attention...

A summary sheet which explains the principle of the famous Pythagorean theorem, with some examples and training exercises!

Chemistry, the science of substances, compositions, reactions, and Physics, which describes in detail the mechanics of the world, are two essential and fascinating fields through which Nature can be approached and better understood... Through these fourteen keywords presented in simple language, discover fourteen important concepts that will surely enrich your revisions or your general knowledge!

In 1769, James Watt perfected the steam engine: from then on, the metamorphosis of the world began...

After decades of bitter divisions, through the Council of 1415, the Western Church is finally reunited and appeased... Or almost...