The article Science
why fixture that is heavier than air, so the floating
.Because the air have weight. The air is full in the lamp, it will have its own weight plus กับโคม, assuming the weight of air in the lantern 10 (equal weight. If you have to make the balloon
.When the lamp heating makes the air grew until there is some flow out. If out of more than 5 will make weight include lower 10 it floats!The difference of the air mass from the top and bottom. Causing repulsion or lift. Like the air cover different on both sides of the plane. South wing will have pressure than it pushed the plane.
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