Castles for Sale
Medieval Studies Programs
Medievalists.net
Where the Middle Ages Begin
Home
Features
News
Books
Articles
Videos
Films
Places To See
About Us
Shop
Our Magazine
From the Book of Optics, by Ibn al-Haytham
January 6, 2011
By
Medievalists.net
Filed Under:
How you can Follow Us!
Check out the latest issues of
The Medieval Magazine
, our digital magazine
Each issue costs $2.99
Click here to buy or subscribe
Share
Tweet
What's Popular on Medievalists.net
Medieval Pet Names
Castle for Sale
Ten Beautiful Medieval Maps
Bread in the Middle Ages
Did people in the Middle Ages take baths?
Sex in the Middle Ages
When were the Middle Ages?
The Most Dramatic Moment of the Middle Ages!
Top 10 Strangest Deaths in the Middle Ages
Girls’ Names from Medieval London (not the usual ones!)
Ten Strange Medieval Nicknames
Jobs in the Middle Ages
Medieval Images of the Human Body
Top 10 Medieval Castles in England
Recent Posts
‘The Worst Disaster Suffered by the People of Scotland in Recorded History’: Climate Change, Dearth and Pathogens in the Long Fourteenth Century
How to Write a Letter for a Suspicious Knight
5 Things to Pack in Your Medieval First Aid Kit
The Impact of Holy Land Crusades on State Formation: War Mobilization, Trade Integration and Political Development in Medieval Europe
Medieval News
The Witch Girl, Medieval Churches and 25 Things about the Vikings
Unicorns, Selfies and How to Joust like a Knight: News for Medievalists
The Battle of Agincourt in the News
Neurology, Nudity and Coconuts: Medieval News Roundup
Tweets by @Medievalists
How you can Follow Us!