Texas State Energy Conservation Office
Investigation: Building a Parabolic-Trough Collector
Amateurs of alternative energy build a mini parabolic-trough solar energy collector and use it to heat water. Temperature is recorded over a three-minute period and the data is graphed and analyzed. Note that in order to paint aquarium...
Science Struck
Science Struck: Parabolic Mirror: Working, Principle and Applications
Explains how a parabolic mirror works and how to calculate its geometric properties. Discusses the two forms - parabolic troughs and parabolic dishes - and how these are used in solar panels and satellite dishes. Other real-life...