Yes, it is. It is done all the time. Make no mistake about it. Aluminum on the atomic level (or a bit more if a cook is overzealous with utensils in the vessel) gets into the food cooked in uncoated...
"Yes, boy scout knife is safe to use. They are quite user friendly. However you still needs to be careful when using them, especially if you giving it to a kid."
Cast Aluminum is made by pouring heated molten aluminum into a mold. During this process, microscopic air pockets form in the metal. This means that the resulting cookware items will hold their heat...