Transubstantiation in modern science: How can substance change without accidents
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(12-06-2012, 02:21 PM)jim111 Wrote: I understand in Transubstantiation the substance changes but accidents stay the same, since according to modern day science substance is determined by molecular structure, how does transubstantiation work. Or how are we to understand it? ???

Substance is not determined by molecular structure ...

The accidents refer to everything perciptible. This includes what we perceive with our unaided senses, with eyeglasses, with microscopes. It includes everything we can determine about structure at the molecular level. A Host put through atomic absorption spectroscopy (this would be sacrilegious to actually do) would, we expect, show the same results as an unconsecrated host.

The substance is the essential nature of something, which is changed for the host in the Mass. This is something we cannot explore with scientific investigation at all, since everything that can be investigated using technological means approaches the accidents only.

Does that help?

Think also about the Eucharistic miracles, e.g. at Lanciano, when the Host was actually turned to blood in a visible way ... that is an exception. Usually a Host's accidents don't change at all, even under an electron microscope.
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Re: Transubstantiation in modern science: How can substance change without accidents - by newyorkcatholic - 12-06-2012, 03:09 PM



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