New health data indicates that the old dieting equation âone pound of fat = 3,500 caloriesâ is wrong, Lifehacker reports. It turns out youâll have to double that number to lose one pound of fat, which might sound like bad news to anyone looking to lose some weight. Research from the National Institute of Health indicates that you have to burn 7,000 calories for each pound of fat that you want to get rid of. A new Body Weigh Planner calculator based on that research is available at this link.
Furnace in fire clay. Fire clay is a range of refractory clays used in the manufacture of ceramics, especially fire brick. The United States Environmental Protection Agency defines fire clay very generally as a mineral aggregate composed of hydrous silicates of aluminium (Al2O3Â·2SiO2Â·2H2O) with or without free silica..
Clay is a fine-grained natural rock or soil material that combines one or more clay minerals with traces of metal oxides and organic matter.Clays are plastic due to their water content and become hard, brittle and nonâplastic upon drying or firing.epending on the content of the soil, clay can appear in various colors, from white to dull gray or brown to a deep orange-red. Electron microscope photograph of smectite clay â magnification 23,500. Clays are distinguished from other fine-grained soils by differences in size and mineralogy.