This Exploratorium web page offers an at-home experiment demonstrating how the radiation from an electric heater can be focused into a point, or "hot spot", in the same way that visible light rays are focused. The experiment description lists all the necessary supplies, steps, and procedures needed to carry out the experiment.
- Grade 1
- Grade 6
- Grade 8
- Grade 9
Keywords:NSDL,Undergraduate (Lower Division),heat radiation,Mathematics,Geometrical Optics,Optics,radiation,oai:nsdl.org:2200/20081005193418874T,Informal Education,Higher Education,Middle School,focal length,heat,Physics,General Public,Thermo & Stat Mech,reflection,Reflection - Curved Surfaces,light,thermal radiation,Engineering,High School,NSDL_SetSpec_439869
Access Privileges:Public - Available to anyone
License Deed:Creative Commons Attribution Non-Commercial Share Alike