Show WHY 1 Hot Water Cast On Stove Doesn't Touch It r rIt It is impossible impossible to throw a fe few v drops of water on a red-hot red stove The water can con never touch the stove at all What is seen Is a few drops running rapidly over oyer the surface gradually gradually gradually grad grad- getting smaller as ns they pear If II the drops ore are on a perfectly level place one can see under them t to the other side of or the room thus provIng proving prey prey- ing tag that they are not in contact with willi the stove Itself What actually happens hap hag I pens Is that the bottom of the drop changes chunges at once to steam or vapor on oncoming oncoming coming close to the hot bot surface Ana this vapor Is supplied by the drop asit asit as as- it gradually goes away may So the drop drop- rests on a cushIon of ot vapor until It Is entirely dissipated l This his state of ot water wa wa- I Itel ter tel Is known as the spherical stage stag and It is of or Interest simply on account of ot Its peculiarly and seemingly paradoxical para parn- paradoxical behavior beha The reason why the tho drop is not Immediately evaporated or or- changed to ste steam m is also very inter inter- esting The water Wlter vapor valor that Intervenes intervenes intervenes inter Inter- venes between the under surface and the red-hot red stove is a o very bad conductor conductor conductor con con- ductor of heat hent and consequently the tlC full tull Intensity of heat beut cannot get info IntI the water Itself only the amount transmitted through the vapor b being v available for that purpose |