Timeline for Does the foam on top of boiling maple sap affect the rate of evaporation?
Current License: CC BY-SA 2.5
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| Apr 5, 2011 at 16:44 | comment | added | Georg | ""But, if it is not actually boiling, but the temperature is controlled to be some value below boiling, then it loses water via evaporation, and that requires fluid to flow to and away from the surface, and the foam would seriously inhibit that."" And in this case, not actually boiling, there is no reason for foam! The Foam is made from steam bubbles, what else? | |
| Apr 4, 2011 at 22:20 | history | answered | Omega Centauri | CC BY-SA 2.5 |