Re: @DaLo
"As the light from an incandescent bulb is omnidirectional it is really only good if if in the centre of the room;"
That is certainly true if you have a room with black walls and ceiling.
"As the light from an incandescent bulb is omnidirectional it is really only good if if in the centre of the room;"
That is certainly true if you have a room with black walls and ceiling.