Episode 073 – Jonathan Lunine

In this episode we have Jonathan Lunine on the podcast, this time talking to him about his own spiritual journey from Judaism to Catholic Christianity, and from the secular surface of life as a scientist to a deeper life where the beauty of science is one prominent part of a larger whole of human experience. We also get the chance to discuss some of his work in studying the planets during the era when they changed from objects seen through a telescope to worlds we can map and even sample and bring back to our laboratories.

1. Jonathan Lunine, a planetary scientist at Cornell University, is a member of the board of the Society of Catholic Scientists. He spoke of the influence of reading Carl Sagan’s The Cosmic Connection and receiving Sagan’s advice for pursuing a career in astronomy.
2. Dr. Lunine has been on the scientific teams leading several missions of space exploration, including Cassini and, now, the James Webb Space Telescope.
3. He described his early spiritual journey, seeing how science and religion could be intertwined. The journey took him from Jewish family roots to a Methodist church and then to Catholicism. He spoke of being impressed by the connection between the Catholic faith and its Jewish roots.
4. Astronomers have been excited to learn of the abundance of planets to be found in our galaxy. As Dr. Lunine pointed out, thanks to initiatives like the New Horizons spacecraft, we have turned our “cosmic backyard” into a place where we can study an enormous variety of geology “and even, potentially, biology.”
5. He expressed gratitude for astronomers and others who became role models embracing the compatibility between science and faith. A key figure, about whom he has made presentations, is the Belgian priest Georges LeMaitre, known as the father of the big bang theory.

This was one of our most enjoyable conversations, and we definitely hope to have Dr. Lunine back on the podcast again.

Bonus Episode - Patricia Bellm: Bible interpretation

The Bible as an instrument of getting to tell people what to do

Flood geology and cramming one's ideas into a "literal" reading

Adam and the Genome

Episode 040 - Kirby Runyon: Christian planetary scientist

I had the chance to have an unofficial interview with Kirby Runyon. (Planetary science is a very publicity-heavy field, and planetary scientists often labor under certain constraints regarding their contact with the media. We avoided mentioning his institutional affiliation to emphasize the point that this interview in no way characterizes any official position by his institution. You can find out where he works, and get access to some of his work, via web search if you are curious, and there's a clue around 13:00 as well.)

We opened the interview with a discussion of Kirby's research on surface processes on planets. He works on data returned from the Moon, Mars, and Saturn's moon Titan to evaluate how winds, asteroid impacts, and other forces shape the surfaces of those bodies.

Read the rest of this entry »

Episode 038 - Jill Pasteris: Uncertainty and Faith

0:00 Experience as a Christian scientist

1:00 The billion year contact; awe

2:00 Awe and the vast scale of Earth science

3:00 Discoveries never shake faith

4:00 Evolution, randomness, the shortage of provable things

6:00 The bureaucratic mindset: certainty and judgment

7:00 Yucca Mountain, studtite, and uranyl peroxides (Peter Burns, Karrie-Ann Hughes)

8:00 Uranyl chemistry

9:00 Guy Consolmagno's thought experiment on planetary atmospheres

10:00 Uranyl peroxide buckyballs...

11:00 NOT in the initial fate and transport model for Yucca Mountain

12:00 Real life is lack of certainty

13:00 Where we'd put uranium if we had to...

14:00 Hanford, Washington and uranium migration

15:00 Phosphates as immobilizers

16:00 Humans and squirrels: digging stuff up to bury it again

17:00 Kirby Runyon

18:00 Difficult conversations

20:00 The Bible

21:00 Cyclic nature of human history, scriptural history

22:00 The second millennium history of reaction, after reaction, after reaction against hypocrisy

23:00 Secularism and the irreligious right

24:00 Progressive movement as a para-Christian critique of society

26:00 Modern psychology and spirituality:

Fulton Sheen's image of the psychologist pulling Christian truths out of the garbage can

and passing them off as discoveries

29:00 The need for God

30:00 Companions on the way

31:00 Providence

Episode 037 - Jill Pasteris: Christian scientist

3:00 Jill's career
5:00 Finding companionship as Christian scientists (not Christian Scientists...that's different...)
7:00 "Spiritual beings having a human experience"
8:00 Bioapatite; clearing up "loose ends" making a 20 year career arc
9:00 Apatite and phosphate: environment
13:00 Flint, Michigan: lead and protective minerals
14:00 Raman spectroscopy
16:00 Raman on the Mars 2020 rover; Alian Wang
17:00 Laser pointers, cat videos [the brave new world we live in]
18:00 The physics of Raman
19:00 Why lasers and Raman went hand in hand
20:00 Rayleigh vs. Raman scattering
21:00 Raman spectra
22:00 Raman: a (usually) nondestructive technique
23:00 The lecture example and the ease of sample prep for Raman
25:00 Raman peak heights and thermodynamics
26:00 Fingerprinting vs. understanding

Bonus Episode - Nicolaus Steno

Episode 036 - Anne Hofmeister on Galactic Rotation, Math, and Glass

The times below are continuations from the last episode. My opening is about 1:30, and then we start with galaxy motions at "26:00".

26:00 Galaxy motions

27:00 Galaxy rotation curves: do not match Keplerian orbits

28:00 Galaxies spin more like records (laggy soft records); mass distribution is nothing like the Solar System

29:00 Hurricanes as a better analogy for galaxies

30:00 Stars in a galaxy move in local organization

32:00 Nebulas

34:00 The opposite extreme: rigid body rotation

35:00 Gravitational attraction between stars creating coherence

36:00 Curiosity that gravity and electrical forces are both inverse square laws

37:00 Poisson's equation

38:00 Summing densities in Poisson's inhomogeneous term is physically meaningless; intensive quantities can't be summed that way

40:00 Gauss' theorem: flux through a surface and quantity within a volume

41:00 Summing is for extensive variables

42:00 Pressure an ambiguous variable

43:00 Future work

44:00 Thermal expansivity: Giauque

45:00 Problems with the glass transition measurements done in the past: need to completely drive out water from the experimental charges

48:00 Wrapup

Episode 035 - Anne Hofmeister Shakes Up Earth Science

TSSM goes heavy: hard-hitting journalism from one of science's great controversialists, Anne Hofmeister. Intrigued? Disagree? Write me an email (giesting@alumni.nd.edu) or look her up at Washington University in St. Louis' EPS department website.

The times below are keyed to the start of the interview and ignore my opening (just over 2 min).

0:00 Introduction

1:00 Anne's background (sorry, this part Anne was talking so quietly that I can't seem to fix it with Audacity, but bear with us; we moved the microphone and figured some things out and it gets better)

2:00 Spectroscopy and heat transfer

3:00 Thermal conductivity experiments and their pitfalls

5:00 Criticism of the history of thermodynamics and heat transfer; identification of light and heat

6:00 Problems with equilibrium and elastic collisions in theories of thermodynamics

8:00 Criticism of phonon theory

10:00 Electron and vibrational transfer of heat decoupled; metals and heat transfer

13:00 Garnet

14:00 Earth's interior: convection, the Rayleigh number

15:00 Viscosity

16:00 The Earth's mantle: nearly all solid

17:00 Plate tectonics without mantle convection

18:00 An even more radical idea: heat is being trapped inside the solid Earth

19:00 [there was a distortion I had to cut]

20:00 Implications: heat generation is in the crust (this part is widely known!)

21:00 Implications: the core is melting, not solidifying?

22:00 The geodynamo and magnetic field

23:00 The core: buffered at the temperature of melting high pressure iron

24:00 Magnetic modes diagram for the planets: spin and magnetic field

Episode 032 - Science and Saints

Intro: Nobel Prize announcements

Donna Strickland

Nadia Murad

Segue: Lemaitre press release

Transition: the early 20th century golden age from Chesterton to Fulton Sheen

Theme: All Saints Day

Augustine

Isidore

Albert the Great

Roger Bacon

Nicolaus Steno

Gregor Mendel

Georges Lemaitre

Please leave us feedback here by hitting the "Email Paul" link or using the "Facebook" link and commenting or messaging us there.

Image: Braulio of Saragossa and Isidore of Seville, writing his Origins (Etymologies)

Episode 029 - Geological Awe

For a change of pace, we discuss emotions and aesthetics and the sense of awe at the scale of the universe and the planet that we inhabit. Paul discusses the "billion year contacts" at his old stomping grounds in the St Francois Mountains of southeast Missouri and the lost world of the earliest visible life in the Burgess Shale. Paul and Bill close with a reflection on how the awe that we feel at comtemplating the enormous scale of space and time of the created world ought to make us better appreciate the audacity of the Christian claim that the Being who set all of this in motion...emptied Itself and became man.