From Singularity Tech: Play with blue light and feel better!Blue Light Therapy App is intended to stimulate your brain with blue light.SupraChiasmatic Nucleus (SCN), a region of your brain receives information about the light that you see through your eyes and makes sleep/wake transition decisions. do not know if the app will work for you-when I play with it, I FEEL VERY GOOD!HOW TO USE:1)Hold the phone in your hand and touch the screen to create ripples of blue.-OR-2)Start the app and set it to create ripples automatically.
1 For a 1,000 square foot home, the cost of an HVAC system is $6,000 to $12,000, including a new furnace, air conditioning unit, and ductwork.2  For larger homes and more complex setups, however, the price could be significantly higher. A new furnace in a central heating system costs $2,500 to $7,500 or more. 2  If you donât need ductwork, the cost of a new heating and cooling system can be significantly decreased.
The following are the most common home HVAC systems that require ductwork: Central gas heating; Geothermal heating; Furnace heating; Central air conditioning; The same ductwork installed for heating systems can also be used for air-conditioning. Materials. The average cost of ducting is $16-$19 per 10 linear feet. 1  Itâs recommended that you buy a few more linear feet than you need. General guidelines are: 2  10 linear feet - 2 extra. 3  30 linear feet - 3 extra. 4  50 linear feet - 4 extra. 5  70 linear feet - 5 extra. 6  100 linear feet - 7 extra.