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There is actually a solar eclipse at midnight. A solar eclipse is theoretically possible at all hours of the day because the sun does not set in Arctic parts of the world.
There is actually a solar eclipse at midnight. A solar eclipse is theoretically possible at all hours of the day because the sun does not set in Arctic parts of the world.
The opportunity to be a social Hero arrived Saturday. The local blood bank called, desperate for my rare blood type -B, and begged me to come in immediately to give a double red blood cell donation. You can more...
The opportunity to be a social Hero arrived Saturday. The local blood bank called, desperate for my rare blood type -B, and begged me to come in immediately to give a double red blood cell donation. You can only give it twice a year. There is a huge shortage. Heroes help Enthusiastically, Responsibly, Optimistically, Exceptionally, Socially. Of course I said YES! I ate only foods good for my blood type http://goo.gl/50Vby for two days, pumped up the vitamins, minerals and whey protein.
Do you know there is an extremely good insulation material that is 95% air? It has the lowest known thermal conductivity of any solid. It is silica aerogel with low density, light weight & unmatched insulating more...
Do you know there is an extremely good insulation material that is 95% air? It has the lowest known thermal conductivity of any solid. It is silica aerogel with low density, light weight & unmatched insulating capability. NASA uses it for cryogenic insulation for space shuttle and space exploration. Crayons paced on top of a piece of silica aerogel will not melt in the flame of a blowtorch. Aerogel provides 39 times more insulation than fiberglass. Now used on earth in insoles to keep feet warm.
Fire needs 4 things to survive. FUEL. Fuel is usually the object that is burning. HEAT, then object has to be heated enough to where it starts putting off gases. OXYGEN, like humans fire need oxygen. more...
Fire needs 4 things to survive. FUEL. Fuel is usually the object that is burning. HEAT, then object has to be heated enough to where it starts putting off gases. OXYGEN, like humans fire need oxygen. CONTINUOUS CHEMICAL REACTION, this take all 3 and keeps the fire burning if you will. Remove any one of the four and the fire goes out!