Use+of+Solar+Energy+in+Ancient+Rome


 * Brief Outline: Use of Solar Energy [to Heat Baths] in Ancient Rome**
 * Background on Roman baths (specifically the Baths of Caracalla)
 * When they were built
 * Function/ use
 * Layout


 * Use of solar energy to heat baths
 * Passive solar heating
 * Using large windows


 * Technical description/ analysis of passive solar heating
 * Pros and cons of solar heating
 * Environmental benefits
 * Efficiency

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 * Comparison with passive solar heating used today
 * Popularity of this technique
 * Benefits
 * Improvements
 * Areas to use passive solar heating