Watches and Sunflowers Rotating Upon a Stationary Earth

  • Roberto BuonannoEmail author
Part of the Astrophysics and Space Science Library book series (ASSL, volume 399)


The arrival of Athanasius Kircher in Rome does not pass unnoticed. For example, Raffaello Magiotti, a priest from Tuscany who had studied with Galileo, immediately informs his teacher “… a Jesuit scientist has just arrived in Rome: apparently, he has lived for a long time in the East, he can speak 12 languages, has studied geometry, and has brought with him a few interesting objects. Among other things, he has a flower which turns according to the Sun’s rotation, and works like a watch. He has pinned this flower upon a piece of cork, which floats on the water: there is an iron pointer on top showing the hours, and there is a mechanism which calculates the time in other parts of the world…”.


Sunflower Seed Sunflower Plant Magnetic Influence Jesuit Missionary Hide Mechanism 
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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.Department of PhysicsUniversity of Rome Tor VergataRomeItaly

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