A History of Clocks

By Tim Lambert Early Clocks Today we take knowing the time and the day of the year for granted but for our ancestors, it was far more difficult. Until mechanical clocks were invented in the 13th century there were various ways of telling the time. The earliest method of telling the time of day was… Continue reading A History of Clocks

A History of Mathematics

By Tim Lambert Mathematics in the Ancient World Prehistoric people must have used simple arithmetic. However, when people became civilized mathematics became far more important. Proper record-keeping was essential. In Iraq, a people called the Sumerians counted in sets of 60. We still divide hours into 60 minutes and minutes into 60 seconds. We also… Continue reading A History of Mathematics

A History of Science

By Tim Lambert Ancient Greek Science The Ancient Greeks were the first scientists. Greek philosophers tried to explain what the world is made of and how it works. Empedocles (c. 494-434 BC) said that the world is made of four elements, earth, fire, water, and air. Aristotle (384-322 BC) accepted the theory of the four… Continue reading A History of Science

A Brief History of Transport

By Tim Lambert TRANSPORT IN THE ANCIENT WORLD The first form of transport was, of course, the human foot! However, people eventually learned to use animals for transport. Donkeys and horses were probably domesticated between 4,000 and 3,000 BC (obviously, the exact date is not known). Camels were domesticated slightly later, between 3,000 and 2,000… Continue reading A Brief History of Transport

A Brief History of Weapons

By Tim Lambert Prehistoric Weapons Human beings have probably always killed each other. Early people used clubs, axes, and spears. They also used bows and arrows. (Cave paintings from Spain dating from 10,000 to 5,000 BC show men fighting with bows). A wooden club is a surprisingly effective weapon. As early as 6,000 BC African… Continue reading A Brief History of Weapons