HEATKEYS

Music, movies, TV, shows and now friends. Get connected on iTunes 10.

Build It Solar will help people with Do It Yourself skills build solar projects that save money and reduce pollution. It is a "hands-on" site with detailed plans for solar projects including solar space heating, water heating, passive sola...

A little online application with interactive map that shows sun movement and sunlight phases during the given day at the given location.

CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated software.

This site includes lots of information that is time and date related, such as yearly and monthly calendars, countdown counters and the world clock which shows current time in cities all over the world.

Astronomy labs and teaching resources developed at the University of Nebraska-Lincoln. Includes simulations, flash animations, graphics, in-class questions and ranking tasks.

Material for persons interested in sun dials, with booklets, pamphlets, spreadsheets, CAD and other visual depictions using programming, conventional and legacy programming with tabular output, case studies, guides, and the like.