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An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from ap

An insulating structure for an appliance includes an outer layer and an inner layer, wherein an insulating cavity is defined therebetween. A plurality of hollow nano-spheres are disposed within the insulating cavity, wherein each of the hollow nano-spheres includes a diameter in the range of from approximately 50 nanometers to approximately 1000 nanometers and has a wall that defines the internal space, and wherein the wall of each hollow nano-sphere has a thickness that is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. A fill material is disposed in the insulating cavity and wherein the fill material is disposed in the space defined between the plurality of hollow nano-spheres, and wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.

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1. A method for forming an insulating material for an appliance, the method comprising steps of: providing a glass material separated into nano-sized particles;projecting a blowing agent through a flame, wherein the nano-sized particles are fed through the flame with the blowing agent, wherein the b

1. A method for forming an insulating material for an appliance, the method comprising steps of: providing a glass material separated into nano-sized particles;projecting a blowing agent through a flame, wherein the nano-sized particles are fed through the flame with the blowing agent, wherein the blowing agent decomposes and releases a heated gas, wherein the heated gas causes the nano-sized particles to expand into corresponding hollow nano-spheres; anddisposing the hollow nano-spheres into an insulating cavity of an insulating structure of an appliance, and wherein the step of projecting the blowing agent and the nano-sized particles through the flame is performed in a pressurized chamber, wherein the pressurized chamber defines a partial vacuum having a chamber pressure of approximately 1 millibar, wherein after the hollow nano-spheres are formed within the pressurized chamber, a nano-sphere pressure of an internal space of each hollow nano-sphere is approximately 1 millibar. 2. The method of claim 1, wherein each hollow nano-sphere includes an outer diameter in a range of from approximately 50 nanometers to approximately 1000 nanometers. 3. The method of claim 1, wherein each hollow nano-sphere includes a wall that defines an internal space, and wherein a thickness of the wall of each hollow nano-sphere is in a range of from approximately 0.5 nanometers to approximately 100 nanometers. 4. The method of claim 1, wherein the nano-sized particles within the blowing agent are positioned in an agglomerated pattern, wherein expansion of the nano-sized particles in the agglomerated pattern results in the hollow nano-spheres defining a plurality of nano-sphere formations. 5. The method of claim 4, wherein each of the plurality of nano-sphere formations defines connected strands of hollow nano-spheres. 6. The method of claim 5, wherein the step of disposing the hollow nano-spheres into the insulating cavity includes disposing a fill material into the insulating cavity, wherein the fill material substantially occupies porous spaces defined between the connected strands of hollow nano-spheres within the insulating cavity. 7. The method of claim 1, wherein the nano-sized particles within the blowing agent are positioned in a separated pattern, wherein expansion of the nano-sized particles in the separated pattern results in the hollow nano-spheres defining a plurality of individual nano-spheres. 8. The method of claim 7, wherein the step of disposing the hollow nano-spheres into the insulating cavity includes disposing a fill material into the insulating cavity, wherein the fill material substantially coats the plurality of individual nano-spheres and occupies spaces between the plurality of individual nano-spheres within the insulating cavity. 9. The method of claim 6, wherein the fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas. 10. The method of claim 1, wherein each hollow nano-sphere defines an internal space, wherein the internal space has an internal diameter in a range of from approximately 450 nanometers to approximately 900 nanometers. 11. The method of claim 1, wherein each hollow nano-sphere defines an internal space, wherein the internal space has an internal diameter of approximately 40-900 nanometers. 12. A method for forming an insulating material, the method comprising steps of: providing a glass material formed into a plurality of nano-sized particles having a diameter in a range of from approximately 5 nanometers to approximately 300 nanometers; andprojecting a blowing agent through a flame, wherein the nano-sized particles are fed through the flame with the blowing agent, wherein the blowing agent decomposes and releases a heated gas, wherein the heated gas causes the nano-sized particles to expand into corresponding hollow nano-spheres, and wherein the nano-sized particles within the blowing agent are positioned in an agglomerated pattern, wherein expansion of the nano-sized particles in the agglomerated pattern results in the hollow nano-spheres defining a plurality of connected hollow nano-sphere formations, and wherein the step of projecting the blowing agent and the nano-sized particles through the flame is performed in a pressurized chamber, wherein the pressurized chamber defines a partial vacuum having a chamber pressure of approximately 1 millibar, wherein after the hollow nano-spheres are formed within the pressurized chamber, a nano-sphere pressure of an internal space of each hollow nano-sphere is approximately 1 millibar. 13. The method of claim 12, wherein each of the plurality of connected hollow nano-sphere formations defines connected strands of hollow nano-spheres. 14. The method of claim 12, further comprising steps of: combining the plurality of connected hollow nano-sphere formations with an insulating fill material, wherein the insulating fill material substantially occupies porous spaces within each of the plurality of connected hollow nano-sphere formations, and wherein the insulating fill material substantially occupies space between adjacent connected hollow nano-sphere formations. 15. The method of claim 14, wherein the insulating fill material includes at least one of powdered silica, granulated silica, other silica material, aerogel and insulating gas.