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<blockquote data-quote="N'raac" data-source="post: 6216198" data-attributes="member: 6681948">What do physics in any form have to do with magic bags?&nbsp; That includes whether gravity applies, whether water rushes in and whether holding it upside down would change anything.If gravity does not apply, why can't we hold it rightside up?&nbsp; The water should not follow gravity down into the bag if gravity does not apply.As to &quot;why won't it just automatically overload&quot;, &quot;it is magic&quot; makes a pretty fair explanation.&nbsp; Water rushes in and fills it to capacity.&nbsp; Shove a 10 pound gold ingot in and 10 pounds of water is displaced out.&nbsp; If we're trying to apply physics, remember that air is also not weightless, so some portion of the bag's capacity must then be used to hold that air, unless you can figure out how to start with a vacuum in the bag (not its natural state as someone inside can breathe for a time - and yet, for the same time however large the bag!).&quot;Because the magic prevents accidental overloading&quot; is as good an explanation as any.&nbsp; You consciously stuff things it?&nbsp; You can overload it.&nbsp; Water/air rushes in?&nbsp; Doesn't overload it.The rules are also not clear as to whether you can perceive how close to full it is.&nbsp; Maybe you have to work to overstuff it.As for Invisibility, the bag opens into a nondimensional space.&nbsp; It's not where the bag itself is, so the person with his head in the bat would appear to lack a head, but he still can't see outside - the nondimensional space is not adjacent to real space, separated by canvas.</blockquote>

[QUOTE="N'raac, post: 6216198, member: 6681948"] What do physics in any form have to do with magic bags? That includes whether gravity applies, whether water rushes in and whether holding it upside down would change anything. If gravity does not apply, why can't we hold it rightside up? The water should not follow gravity down into the bag if gravity does not apply. As to "why won't it just automatically overload", "it is magic" makes a pretty fair explanation. Water rushes in and fills it to capacity. Shove a 10 pound gold ingot in and 10 pounds of water is displaced out. If we're trying to apply physics, remember that air is also not weightless, so some portion of the bag's capacity must then be used to hold that air, unless you can figure out how to start with a vacuum in the bag (not its natural state as someone inside can breathe for a time - and yet, for the same time however large the bag!). "Because the magic prevents accidental overloading" is as good an explanation as any. You consciously stuff things it? You can overload it. Water/air rushes in? Doesn't overload it. The rules are also not clear as to whether you can perceive how close to full it is. Maybe you have to work to overstuff it. As for Invisibility, the bag opens into a nondimensional space. It's not where the bag itself is, so the person with his head in the bat would appear to lack a head, but he still can't see outside - the nondimensional space is not adjacent to real space, separated by canvas. [/QUOTE]

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