Event Title

Session F: Contributed Oral Papers – F1: Physics Education: The Dating Game -- with Google Maps and Vector Algebra

Location

Auditorium, Campus Center, University of Massachusetts - Amherst

Event Website

http://blogs.umass.edu/nes2011/

Start Date

19-11-2011 9:00 AM

End Date

19-10-2011 9:12 AM

Description

By measuring the shadow in a photograph of a known object at a known location you can determine the date at which the photo was taken. Photos from Google Maps or Google Earth come with latitude and longitude to six decimal places, enough precision to find the location and scale size of objects in the picture.~~The transformation of the quantities measured on the photograph into celestial coordinates is a nice exercise in 3-D visualization and the use of vector algebra. ~We show an example of the use of vectors to extract geometric information from a Google Map photo and then use the results to find the date on which it was taken.



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Nov 19th, 9:00 AM Oct 19th, 9:12 AM

Session F: Contributed Oral Papers – F1: Physics Education: The Dating Game -- with Google Maps and Vector Algebra

Auditorium, Campus Center, University of Massachusetts - Amherst

By measuring the shadow in a photograph of a known object at a known location you can determine the date at which the photo was taken. Photos from Google Maps or Google Earth come with latitude and longitude to six decimal places, enough precision to find the location and scale size of objects in the picture.~~The transformation of the quantities measured on the photograph into celestial coordinates is a nice exercise in 3-D visualization and the use of vector algebra. ~We show an example of the use of vectors to extract geometric information from a Google Map photo and then use the results to find the date on which it was taken.

http://scholarworks.umass.edu/climate_nuclearpower/2011/nov19/33