The Christian Roots of Science and Why They Still Matter — Transcript
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- 0:00So we have been getting loads of
- 0:02questions.
- 0:04So uh a lot of them focused on the
- 0:06history of science, some specifically on
- 0:08Newton, some on math. And I know I think
- 0:10Steve would like to also talk about the
- 0:12the god of the gaps. But could we start
- 0:16maybe with some of the the um
- 0:20philosophy of the history um of science
- 0:24questions? So maybe we can just dispose
- 0:26of these quickly. What impact did the
- 0:28resurgence of neoplatanism in
- 0:30Renaissance Europe have upon the rise of
- 0:32science? Was it a major catalyst, minor
- 0:34catalyst, or impediment?
- 0:36Probably a bit of uh an impediment,
- 0:39though there's a lot to say in favor of
- 0:41neoplatanism philosophically, but it
- 0:44would have uh platonism. Plato even more
- 0:48than much more than Aristotle was less
- 0:50interested in the empirical world and
- 0:53more in the world of the forms. So I
- 0:55would I I um uh let's leave it there. I
- 0:59think it's a complicated question, but I
- 1:00would say probably it's a bit of an
- 1:02impediment. Okay. And then someone else
- 1:04asked, does a relationship exist between
- 1:06the Reformation and the subsequent
- 1:08scientific revolution? If so, can you
- 1:10briefly explain? Right. I think I think
- 1:12here I'm very ecumenical. um
- 1:14developments in late medieval Catholic
- 1:16philosophy uh especially at the
- 1:19universities of Oxford and Paris had a
- 1:21big role in laying the foundations for a
- 1:23number of the uh uh the the systematic
- 1:26methods of investigation figures like
- 1:29Robert Gest Roger Bacon um they
- 1:33developed methods very similar to our
- 1:35isolation of variables and but the
- 1:38reformation too played a big role in
- 1:40emphasizing the fallibility of man and
- 1:42the contingency
- 1:43of nature on the will of God. That's the
- 1:45what's sometimes called the tradition of
- 1:47theological volunteerism and that was a
- 1:49big break with the Greek way of thinking
- 1:51as I mentioned the necessarian theology
- 1:53that kind of got intermingled with some
- 1:56uh medieval theology. So both parts of
- 1:59the Christian faith tradition I think
- 2:01had a had a had a had a had an important
- 2:03role in the rise of modern science. Um,
- 2:06speaking of contingency, uh, someone
- 2:08asked, you said that also on the to be
- 2:11fully ecumenical on the on the
- 2:13reformation side, part of what was
- 2:14recovered was the emphasis on the Bible
- 2:17and the Old Testament in particular, the
- 2:20Hebrew Bible. And a lot of the concepts
- 2:21about the laws of nature came out of uh
- 2:24books like the book of Job where there
- 2:25was an idea of of of boundaries that God
- 2:28had set on nature that God was order
- 2:30actively ordering nature. So, uh, part
- 2:32of what the reformation recovered was
- 2:34the Jewish background. Okay. Uh,
- 2:37speaking of the idea of contingency and
- 2:39volunteerism, someone asked, you said
- 2:41that a pope advanced the argument about
- 2:43contingency. Which pope was it? Um,
- 2:47I was blanking on his name. 1277. It's
- 2:50Etien something. So, it's in my book
- 2:53chapter one. Go get the book. That's
- 2:55good. Subtle advertisement. Yeah. And
- 2:58then um maybe to round out the questions
- 3:00on the on the history of science. Uh
- 3:02well actually there are two more things.
- 3:04Uh someone actually asked you about the
- 3:07Galileo affair and its impact and um
- 3:11what's the most effective way to
- 3:12summarize how the Galileo affair is
- 3:14relevant or not to the supposed conflict
- 3:17of Michael Keys has done great work on
- 3:19this. Owen Gingerich has done great work
- 3:21on this. uh historians of science uh
- 3:23effectively it was a debate about uh
- 3:26Aristotilian philosophy not so much
- 3:28Christian theology the idea that the
- 3:30earth was at the center and the orbits
- 3:31were circular was a was a uh a a Greek
- 3:35concept from Aristotle and tom the
- 3:40church had adopted it probably in an
- 3:43ill-advised way and it became entwined
- 3:45with Christian orthodoxy and so when
- 3:47capernicus came along and Galileo came
- 3:50along challenged that some viewed it as
- 3:52a challenge to Christian theology, but
- 3:54it was really a challenge to uh uh a
- 3:57syncratism of Greek thought with with
- 3:59Christian theology and the empirical
- 4:03methods of the new scientists ultimately
- 4:05won out and disentangled the two. So I
- 4:08don't think it was ultimately a a fight
- 4:11about um uh between science and and
- 4:14Christian theology as much as it was a
- 4:16fight about the new science versus the
- 4:18old science of Aristotle. Um also
- 4:20Galileo was somewhat imprudent in um
- 4:24making fun of the pope in a famous
- 4:26dialogue that he wrote in which the
- 4:29words of the pope were put into the
- 4:30mouth of a character called simplitio
- 4:34which was not the smartest thing he
- 4:35could have done. Yeah would think so.
- 4:37Okay. To round out these questions
- 4:39specifically on history of science that
- 4:40actually brings things to today and
- 4:42actually probably connects to your book.
- 4:44Um someone asked philosophy can be
- 4:46argued to have its roots in ancient
- 4:48Greece and the diversity of thought was
- 4:50enable enabled by the flexibility of its
- 4:53pagan ideology. Philosophy matured past
- 4:57its roots in Plato, Aristotle,
- 4:59Pythagoras, etc. What do you say to the
- 5:01argument that science has now matured
- 5:04past its Christian origins? Um I say
- 5:07read return of the God hypothesis.
- 5:10The that that's right on point for the
- 5:12book is the book tells a big story. It's
- 5:14the rise of modern science during the
- 5:15period of the scientific revolution as
- 5:17the result of or in consequence of these
- 5:20Judeo-Christian presuppositions that are
- 5:22in the minds of the early scientists. We
- 5:24lose that perspective in the late 19th
- 5:26century with the rise of figures like
- 5:29Darwin, Marx, Freud, Heckle um and many
- 5:33many others. Scientific materialism
- 5:34becomes the dominant worldview that's
- 5:36associated with or attached to science.
- 5:39I think the major discoveries of 20th
- 5:41century science, especially about
- 5:43biological and cosmological origins, are
- 5:46bringing back that theistic perspective.
- 5:48And if not, if they're not bringing it
- 5:50back, they they should be bringing it
- 5:52back. That's the argument of the book
- 5:54that that the evidence we now have the
- 5:56concerning the origin of the universe
- 5:58and the origin of life, the finetuning
- 6:00of the universe, these three big
- 6:02discoveries, I think, have profoundly
- 6:04theistic implications. So I don't think
- 6:06theism is in any way irrelevant to the
- 6:09scientific project. Instead, I think a
- 6:11theistic view provides the best overall
- 6:14explanation of the uh the big facts we
- 6:18have about biological and cosmological
- 6:20origins. So science is again I think
- 6:23pointing to God and the theistic
- 6:25presuppositions that made science
- 6:27possible are still implicit in
- 6:29everything we do in science. Right?
- 6:30Nature is intelligible. It is ordered
- 6:32and that order is contingent. Great. We
- 6:35have a couple people who are interested
- 6:37in mathematics. So, I'm going to sort of
- 6:39combine their questions. Uh, did God
- 6:41create a universal language and is that
- 6:43language mathematics? And then someone
- 6:45else added on, is math primary or just a
- 6:48confirmation to natural processes?
- 6:52These are all fantastic questions. I
- 6:54think many of the sci the great
- 6:56scientists have seen that the natural
- 6:59world is written if you will in a
- 7:01language of mathematics that math it's
- 7:03it's really quite mysterious um there
- 7:06was a great article by Eugene Vner in n
- 7:09Nobel lauring laurate Hungarian
- 7:11physicist called the unreasonable
- 7:13applicability of mathematics to the
- 7:15physical world why is it that
- 7:17mathematics that we sometimes invent as
- 7:20we're thinking theoretically
- 7:21mathematically hundreds of
- 7:24earlier later applicable to describing
- 7:28actual physical processes. It's very
- 7:30eerie in the it suggests that same
- 7:32principle of correspondence that there's
- 7:33a there's an intellect there there's a
- 7:36an intelligibility to nature that is
- 7:39revealed in mathematics that also seems
- 7:41to reveal a great mind behind nature
- 7:44written in the language of mathematics.
- 7:45So yeah I would answer simple answer the
- 7:47first question is yes I I I'm inclined
- 7:49to that view. Second question was uh
- 7:54um really is is math um primary or just
- 7:58a confirmation to natural processes? I
- 8:00think sort of well I I think most of the
- 8:02great physicists would say it's primary
- 8:04that when you get to the thing that
- 8:06really helps us understand the order or
- 8:09perceive the order it's expressed
- 8:11mathematically that there is that so
- 8:13that we see order in nature but the
- 8:16order can be described precisely with
- 8:19mathematical equations oftentimes
- 8:21differential equations and it's quite
- 8:23extraordinary it suggests ma math in our
- 8:26experience comes out of minds it is
- 8:29stored in minds. It's used by minds and
- 8:32at the foundation of reality we have
- 8:34this profoundly
- 8:37mental or intellectual feature uh in
- 8:41that in that the physical world conforms
- 8:44to mathematical patterns. So I think
- 8:46it's it's very fundamental to our
- 8:48understanding of nature and is therefore
- 8:50primary in that sense. So we had quite a
- 8:52few people who were intrigued by the
- 8:53last part of your talk and so here are a
- 8:56few questions from that. Can you comment
- 8:58on the ether and dark matter and dark
- 9:01energy?
- 9:03Um,
- 9:05ether
- 9:07see Bill Demsky out there. I'm maybe see
- 9:10if he can help out. Um, okay. Uh, the
- 9:13ether was always a theoretical
- 9:16construct. It was never observable or
- 9:18directly detectable. Uh, was special
- 9:21relativity. The Michaelelsson Mole
- 9:23experiments. Uh we finally once and for
- 9:26once and for good got rid of it. Um and
- 9:30um we do now have unobservable matter
- 9:32that's posited in cosmology called dark
- 9:36matter. Um and it's um posited as a way
- 9:40of explaining things that we can see.
- 9:42And I think this is a common thing in in
- 9:44physics. So there's nothing inherently
- 9:46wrong with positing an unobservable
- 9:48entity to explain something observable.
- 9:50It's just that the ether turned out to
- 9:52not be very good at explaining what we
- 9:55actually see. So, physics is often
- 9:59indirectly inferential in that we posit
- 10:02unobservable entities
- 10:04in so far as they help us to explain
- 10:06things that we can't observe or measure
- 10:08or detect which I think is an
- 10:10interesting point about the God
- 10:11hypothesis in that there's no intrinsic
- 10:14disreputility.
- 10:15There's nothing intrinsically
- 10:16disreputable about positing a past
- 10:19action of an intelligent agent or of a
- 10:21designing agent or even of God. If in so
- 10:24positing we can provide a more
- 10:26comprehensive and or parsimmonious
- 10:29explanation of the observables. Um dark
- 10:32matter is a physics is is posited on the
- 10:36basis of its ability to help us explain
- 10:37certain phenomena in cosmology. Um and
- 10:41there's a cosmological model called the
- 10:43oscillating universe that depends upon
- 10:47um that that has been refuted because
- 10:51there's not enough energy even the and
- 10:54dark matter even the dark unobservable
- 10:57matter to cause a recolapse of the
- 10:59universe. Um and any anyway there's a
- 11:02lot more to say about all of that but
- 11:03yeah that's a great question. Someone
- 11:04else asked do you see any relationship
- 11:06between quantum fields and constant
- 11:08spirit action? Ah well the modern uh
- 11:11view of gravity is that gravitons are a
- 11:15manif uh if you go to the the standard
- 11:17model of particle physics the idea that
- 11:20elementary particles are manifestations
- 11:22of underlying fields and but fields are
- 11:26oddly defined operationally in terms of
- 11:28what they do. So fields in physics to me
- 11:31and to other philosophers of physics uh
- 11:34not all but many have a kind of occult
- 11:37quality. We don't know really what a
- 11:38gravitational field is other than it
- 11:40creates a warping of space. So it's the
- 11:43thing that causes the curvature of
- 11:44space. What is the curvature of space?
- 11:46Well, it's the thing that causes matter
- 11:48to move in a a particular kind of curved
- 11:51trajectory. But what is curved space
- 11:54when space is empty? Um well that's a
- 11:58harder question to answer. It's it's
- 11:59it's occult in the sense that we define
- 12:01it in relation to what it does. Okay. In
- 12:04which which was the very thing that
- 12:05bothered linenets in that seemed to him
- 12:08to be the return to the the prop the the
- 12:11explanatory strategy of the medievals.
- 12:13So physics has never really gotten away
- 12:15from these occult properties. And the
- 12:18particular question was about oh yeah in
- 12:21quantum field theory there's a new
- 12:22theory called quantum gravity which
- 12:24attempts to synthesize general
- 12:27relativity which is sort of the the
- 12:29second theory of gravity after Newton's
- 12:32with fundamental quantum phenomenon
- 12:34because there are points for example
- 12:36very early after the beginning of the
- 12:38universe when the universe when quantum
- 12:41effects would have predominated. So we
- 12:43need to have some account of how gravity
- 12:44would have worked in that domain or that
- 12:46period of time. So there's been this
- 12:48attempt to synthesize and one of the
- 12:51idea what one of the um theoretical
- 12:55constructs which produces out of which
- 12:58comes the notion of gravitons is the
- 13:00quantum gravitational the concept of a
- 13:02quantum gravitational field. And the
- 13:05weird thing about gravitons is that
- 13:08whether they are um proposed as a result
- 13:12of quantum field theory or as a result
- 13:14of string theory which was an attempt to
- 13:15shore up some mathematical problems with
- 13:17quantum field theory. Gravitons are
- 13:20massless
- 13:21entities which transmit gravitational
- 13:24force not at not instantaneously but at
- 13:28the speed of light and they transmit
- 13:31gravitational force by warping spaceime.
- 13:33So you have a massless thing that warps,
- 13:35a completely massless thing, and that
- 13:37explains how matter moves. It's still
- 13:40occult. That's the Okay. Um in our last
- 13:43five minutes, I'm going to try to
- 13:44sandwich in three things, which one of
- 13:46which includes asking about um the the
- 13:49god of the gaps, but we have someone who
- 13:52asked, I think question maybe a little
- 13:54bit more technical for some people, but
- 13:56I we hear this a lot. Uh methodological
- 13:58naturalism was developed by Christian
- 14:00scientists. So why is methodical
- 14:03methodological naturalism not the
- 14:05preferred method for Christians today?
- 14:07Um I dispute the premise of that
- 14:09question. Um it's a common view and I
- 14:12understand where it comes from but um in
- 14:15the boil the mechanical philosophy is
- 14:18the first attempt to formulate where God
- 14:22is an appropriate and not appropriate
- 14:25explanation.
- 14:26And the charge against Newton is that he
- 14:29violated Boille's rule which is that we
- 14:32shouldn't be invoking episodic actions
- 14:35of the divinity to explain regul things
- 14:38that we observe as regular processes in
- 14:40nature. And it turns out that Newton
- 14:43didn't do that. It's a common common
- 14:46story. I have a whole module on it that
- 14:48I knew I wasn't going to get time to do,
- 14:50but maybe next year. Um it's in the
- 14:52book. It's in chapter 20. I've always
- 14:55been suspicious of this story because
- 14:57Newton's whole theological project was
- 15:00to show the principles of mathematics at
- 15:02work in nature. In other words, he he
- 15:04was reing in the grand regularities of
- 15:06nature as an expression of divine
- 15:08action. Why would he then invoke God's
- 15:11episodic action? He didn't believe in a
- 15:14capriccious God. So why would he be
- 15:16invoking that? It never made sense. And
- 15:19yet you hear this story over and over
- 15:20again. Neil deGrasse Tyson told it in
- 15:22the cosmos. uh reboot that he did on
- 15:25Fox. Um it's it's on the Bologos
- 15:28website. It's in numerous historians of
- 15:30science. So in researching the book, I
- 15:33just went back and read the relevant
- 15:35parts of the Principia on this. And not
- 15:38only does Newton not make that argument
- 15:41that God or the angels step into the the
- 15:44claim is that that the outer planets
- 15:46made the the you know Jupiter's orbit
- 15:50was was irregular and and that there was
- 15:53a need to to tweak things so that Newton
- 15:55said well every once in a while God just
- 15:57jumps in and and and and somehow tweaks
- 15:59the planetary orbits. He did not say
- 16:02that. He said that the planetary orbits
- 16:04that that were stable on an order of
- 16:08millions of years and that this and that
- 16:11everything was stable about the the the
- 16:12stable center of the sun. So he didn't
- 16:15invoke it's just it's in if you want to
- 16:18the chapter and verse it's in the
- 16:20prinipia book 12 um chapter 12 theorem
- 16:2512 it's and I've got I've got a slide on
- 16:27it. It's in the book it's a commonly
- 16:29told story. What Newton did believe was
- 16:31that God was the constant he was
- 16:35constantly sustaining the universe by
- 16:36the word of his power that in him all
- 16:38things are held together. They they in
- 16:40him they have their being and they are
- 16:41moved. So he believed that God what we
- 16:43call the laws of nature are a mode of
- 16:46divine action. But he didn't think God
- 16:48was acting willy-nilly to adjust things
- 16:50and fix things that he hadn't gotten
- 16:52right in the first place which was
- 16:53lineness's argument against him. And
- 16:56then secondly, he also made initial
- 16:59condition fine-tuning arguments. He
- 17:01believed that the eye was initially and
- 17:03beautifully designed to and he made a
- 17:06beautiful design argument in the optics
- 17:08based upon the the the fact that the eye
- 17:11seemed to anticipate the properties of
- 17:13light. So he perceived in that a great
- 17:16mind behind the whole system. And in
- 17:18that argument from the general scholium
- 17:20about about the initial condition
- 17:22fine-tuning of the planets that's very
- 17:23similar to the modern kind of design
- 17:25arguments but this is not God acting to
- 17:29in a in in a capriccious way to
- 17:31intervene in nature which was what boil
- 17:32was against. So um anyway, it's a big
- 17:36it's again a big story, but the the
- 17:38prohibition against invoking divine
- 17:40action was invoking a particular kind of
- 17:43divine action that would have been a
- 17:44science stopper that would have kept us
- 17:46from getting to an an understanding of
- 17:49the causal powers that God had built
- 17:51into nature. And that was the
- 17:54prohibition that came from Bole. That
- 17:56was not methodological naturalism in its
- 17:59modern form which says that you can't
- 18:01invoke divine action to explain anything
- 18:04including the origin of the universe or
- 18:05its fine-tuning or the origin of life
- 18:08which are different classes of question
- 18:10not classes about the nature of
- 18:12regularities and what underlies them but
- 18:14rather classes about causal origins what
- 18:17caused something in the first place.
- 18:18Bole made those kinds of arguments and
- 18:21affirmed their legitimacy in their own
- 18:23domain. And in my work, I've made a
- 18:25distinction between historical science,
- 18:27which asks questions of ultimate or
- 18:29initial causal origins versus um the
- 18:33sciences of the what what the Greeks
- 18:34called nomological the the science of
- 18:37law-like regularities or experimental
- 18:39science which is concerned with law-like
- 18:41regularity. So in one category of
- 18:43science, invoking God
- 18:45prevents us from understanding the the
- 18:49material interactions that are that
- 18:51underly certain regularities. In another
- 18:53type of science, it may be absolutely
- 18:55necessary to get a true understanding of
- 18:56what caused things to come into being in
- 18:59the first place.
- 19:01I think that is a great place to wrap up
- 19:03except we have one comment from someone
- 19:06uh named Alex I wanted to read as an
- 19:08ending which is return of the God
- 19:11hypothesis is the best and easiest to
- 19:13understand overview of science history I
- 19:15have ever read. Meer does a great job
- 19:18making cosmology concepts easy. So if
- 19:21that's not an endorsement and we didn't
- 19:23pay for it and Dr. M didn't know about
- 19:25it was going to be a troll. No. No. So
- 19:29what you should we're going to break in
- 19:30just a moment but as as I give the final
- 19:33announcements Dr. Meyer you're going to
- 19:35pick up yourself and go out and get
- 19:37ready to sign books. Very good. Thank
- 19:38you. In the fellowship hall.
- 19:40[Applause]
- 19:50[Music]
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