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<blockquote data-quote="tomBitonti" data-source="post: 3295543" data-attributes="member: 13107">That brings up an interesting question ... what is the pressure on the elemental plane of water?&nbsp; (You could ask the same of the elemental plane of air.)Brings up a second aside, which is whether there is gravity on either plane.&nbsp; If there is, and the planes are of any decent size (say, thousands of miles across), then you end up with pressures the same as at the center of Jupiter.&nbsp; (On a smaller scale, there would be real-world problems with an underdark that was miles deep, because of mounting pressures and temperatures.)So ... let's suppose that ambient effects on either side of the gate do not travel through the gate.&nbsp; Nevertheless, I'd presume that a rock could be thrown through the gate.&nbsp; So, put a channel (say, 20-30 feet) above the near side of the gate, and create a flow of sand down that channel into the gate.&nbsp; By the time the freely falling sand reaches the gate, it should be moving fast enough to fall through.</blockquote>

[QUOTE="tomBitonti, post: 3295543, member: 13107"] That brings up an interesting question ... what is the pressure on the elemental plane of water? (You could ask the same of the elemental plane of air.) Brings up a second aside, which is whether there is gravity on either plane. If there is, and the planes are of any decent size (say, thousands of miles across), then you end up with pressures the same as at the center of Jupiter. (On a smaller scale, there would be real-world problems with an underdark that was miles deep, because of mounting pressures and temperatures.) So ... let's suppose that ambient effects on either side of the gate do not travel through the gate. Nevertheless, I'd presume that a rock could be thrown through the gate. So, put a channel (say, 20-30 feet) above the near side of the gate, and create a flow of sand down that channel into the gate. By the time the freely falling sand reaches the gate, it should be moving fast enough to fall through. [/QUOTE]

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