Where did alphabet letters come from?
The first alphabet letters: the Canaanite alphabet Early Canaanite alphabet Each of the letters of the early Canaanite alphabet was the first sound of the most ordinary words in their language. The [...]
The first alphabet letters: the Canaanite alphabet Early Canaanite alphabet Each of the letters of the early Canaanite alphabet was the first sound of the most ordinary words in their language. The [...]
Egyptian sundial (Valley of the Kings, Egypt, ca. 1300 BC). It's on a small chip of limestone so you could carry it around. Using the sun to tell time During [...]
(Tomb of Rekhmire, Egypt, ca. 1450 BC) Who invented the first bellows? About 14,000 BC, potters in China started to use kilns to fire clay pots. By about 3500 BC, people in West Asia were beginning to [...]
Opium poppy flower Opium comes from a kind of poppy flower. It evolved around 100 million years ago in West Asia and Central Asia. People probably realized as soon as they got to West Asia, about 60,000 [...]
Ebers Papyrus, one of the oldest known medical texts about the human body. From Egypt, about 1550 BC How does the human body work? Doctors have been trying to figure [...]
Greek doctor letting blood out of a patient because he believes in the four humors: history of medicine How did ancient doctors treat diseases? Ancient doctors tried to cure everyone who [...]
Obsidian: naturally occurring glass History of glass: Glass beads from Old Kingdom Egypt, about 2700-2500 BC People have been using naturally occurring glass since the Stone Age, when they wanted an [...]
What is pi? The geometry of a circle What is pi? Pi is a number that is just a little bigger than 3.14. It is the number you get if you divide [...]
An Egyptian papyrus from about 100 AD which is a piece of one of Euclid's books Euclid's life and background Nobody knows much about Euclid's life anymore - it is [...]
Eratosthenes of Cyrene went to school here! A classroom at the University of Alexandria (al-Ahram 2004). Who was Eratosthenes of Cyrene? Eratosthenes of Cyrene was born about 276 BC. He was [...]