Could Vikings have navigated under foggy and cloudy conditions by skylight polarization?
There is archaeological evidence that the Vikings did not possess magnetic compass, and they navigated on the open sea with the help of a sundial composed of a wooden disc with a perpendicular gnomon in its centre.
Magic
No one knew the risks and rewards of magic better than Agrippa. His notorious handbook, De occulta philosophia, circulated in manuscript by 1510, though it was printed only in 1533, over the complaints of Dominican inquisitors.
The Planetary Portent of 1524 in China and Europe
Events of 1524 in China and Europe in response to the planetary phenomenon offer insights into the divergent Chinese and Western responses to such “millennial” events.
Gregory of Tours, Monastic Timekeeping, and Early Christian Attitudes to Astronomy
If there was little scientific progress in the early Middle Ages, a rudimentary scientific activity was nonetheless essential to that later quest for learning.
Astronomy and Compotus at Oxford University in the Early Thirteenth Century: The Works of Robert Grosseteste
Astronomy and Compotus at Oxford University in the Early Thirteenth Century: The Works of Robert Grosseteste Dowd, Matthew F. PhD Philosophy Thesis, University…
Nasir al-Din Tusi and His Socio-Political Role in the Thirteenth Century
Nasir al-Din Tusi and His Socio-Political Role in the Thirteenth Century By Abbas Ali Shameli Message of Thaqalayn: A Quarterly Journal of Islamic…
Byzantine Astronomy from A.D. 1300
Byzantine Astronomy from A.D. 1300 By Emmanuel A. Paschos Paper given at the Ringberg Euroconference on New Trends in Neutrino Physics, Tegernsee, Germany,…
The reception of Copernicus as reflected in biographies
The reception of Copernicus as reflected in biographies Kühne, Andreas Proceedings of the 2nd ICESHS (Kraków, Poland, September 6–9, 2006) Abstract Problems of the…
The Irish Astronomical Tract: A Case Study of Scientific Terminology in 14th Century Irish
The extent of astronomical knowledge in medieval Ireland is given specific attention with a review of scholarly works in Latin since the seventh century.