To find out the distance between Alexandria and Syene, there are different versions on how Eratosthenes got his estimate. Some say that travelers’ reports indicated that camels needed 50 days to travel from Alexandria to Syene and that a camel traveled 100 stadia a day. 68 kata lagi

## Tag » Eratosthenes

#### Eratosthenes – The Earth’s Measurer

A famous mathematician, geographer, astronomer and historian, Eratosthenes was born in Cyrene, Greece. As a young man, he studied in Athens, and eventually, he was famous enough to get invited by the ruler of Egypt, Ptolemy II. 179 kata lagi

#### How Do We Know That the Earth is Round?

##### In Brief

We know that Earth is round, but how? Because of the pictures from space? Well, not quite. We knew that Earth was round long before we ever went to space. 1.272 kata lagi

#### Season preview: who has the softest draw?

This headline (the actual article is fine) from Tim Gore typified the attitude when the draw was released in November last year:

Not only were the NRL never going to redo the draw, it speaks to the tendency that the they can do no right in the fans’ eyes (“Release the draw earlier! 1.267 kata lagi

#### Eratosthenes

Eratosthenes of Cyrene was a Greek mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. 13 kata lagi

#### Realm of Mathematics

## – “Mathematics is the language of the universe” –

Everyday millions of students go for learning and spend hours studying, what they call the “trivial science” because they do not understand the importance of it. 983 kata lagi

#### Fun With Shadows on the Winter Solstice

Walking back from an errand yesterday morning, I was startled by the length of my shadow, almost 10 meters long. Yesterday, the first day of winter, marked the pinnacle of shadow-length. 481 kata lagi