Mar 1 2012: It depends on the ambiance you want to create, every color has a different emotional effect on humans so the best thing will be led system. Led system has lots of advanteges, you can change the power of illumination, you can change the colour, longest life, you can do all things with minimum energy consumption. The disadvantage of leds create heat if you need so powerfull illuminaiton you have to cool it. However you can not compare these with the unic best light source of sun. As the photons cross the amosphere brings us another energy that you can not get in 10 meters distance from the light source and target but you can only copy the color make people feel that it is sunlight.
Mar 1 2012: happiness is creating life energy with the things sorround you that you love and which has great importance in your life and than share this life energy together. This thing can be your partner (boy friend), your family, your pets or even non emotional living objects which contain life energy. But you have to be candid and creative with your communications with these things that you really want them make feel good means you really want to increase their life energy. So this life energy aoutomatically turn you back and make you feel happy anti aging.
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