//Container to create reflections
superellipsoid {
    .12
    finish { reflection 1 }
    scale 2
    hollow
}

//more looks bad, less looks bad :)
global_settings { max_trace_level 256 }

//the magic one        
sphere {
	0, .75
	pigment { rgbt 1 }
	interior{
        media{
            emission <.5,.4,.3>
            samples 20,20
            density {
                checker 
                density { rgb 0 } 
                density { rgb 1 }
            }
		}
	}
	hollow
}

//really simple        
camera { 
    location 1
	look_at 0
}