At the new building of the elementary school in Wallern/Upper Austria two sundials have been erected by ARGE Burgstaller/Niel:
- One Gnomon/Nodus sundial outdoor southwest
- One lens/mirror sundial indoor at the entry hall.
Read more: Sundials at the new Building Elementary School Wallern/Upper Austria
Watch the Rotating Earth - Earth L.A.T. 12:00 - ( http://earthlat1200.org )
Task: The observer my get some sense of the rotation of the earth by watching moving shadows from sundials at L.A.T. 12:00. By the usage of a website a 24/7 live videostream
Images of KEPLERUHR - total and detail view - can bee seen live.
Task: For remote control live images of moving shadows shall be available. There are two types of images: a total view and a detail view.