SGU Episode 891: Difference between revisions
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== Quickie with Bob <small>(7:15)</small> == | == Quickie with Bob: Friction <small>(7:15)</small> == | ||
* Friction: [https://www.nature.com/articles/s41565-022-01126-z Atomic-scale friction between single-asperity contacts unveiled through in situ transmission electron microscopy]<ref>[https://www.nature.com/articles/s41565-022-01126-z Nature Nanotechnology: Atomic-scale friction between single-asperity contacts unveiled through in situ transmission electron microscopy]</ref> | * Friction: [https://www.nature.com/articles/s41565-022-01126-z Atomic-scale friction between single-asperity contacts unveiled through in situ transmission electron microscopy]<ref>[https://www.nature.com/articles/s41565-022-01126-z Nature Nanotechnology: Atomic-scale friction between single-asperity contacts unveiled through in situ transmission electron microscopy]</ref> | ||
Revision as of 22:13, 14 September 2022
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| SGU Episode 891 |
|---|
| August 6th 2022 |
 |
| Skeptical Rogues |
| S: Steven Novella |
B: Bob Novella |
C: Cara Santa Maria |
J: Jay Novella |
| Quote of the Week |
If anyone can refute me–show me I'm making a mistake or looking at things from the wrong perspective–I'll gladly change. It's the truth I'm after, and the truth never harmed anyone. What harms us is to persist in self-deceit and ignorance. |
Marcus Aurelius, Roman emperor |
| Links |
| Download Podcast |
| Show Notes |
| Forum Discussion |
Introduction, passing of Nichelle Nichols
Voice-over: You're listening to the Skeptics' Guide to the Universe, your escape to reality.
Quickie with Bob: Friction (7:15)
- Friction: Atomic-scale friction between single-asperity contacts unveiled through in situ transmission electron microscopy[1]
News Items
S:
B:
C:
J:
E:
(laughs) (laughter) (applause) [inaudible]
The Neuroscience of Politics (8:59)
Cozy Lava Tubes (28:21)
Video Games and Well-being (43:27)
Invisible Dark Matter (58:23)
Questions/Emails/Corrections/Follow-ups (1:10:30)
_consider_using_block_quotes_for_emails_read_aloud_in_this_segment_
with_reduced_spacing_for_long_chunks –
Question #1: Lord Kelvin (1:10:40)
...In podcast [851]—that's not that old—chirality was a topic of discussion.
Question #2: Green Methane (1:16:18)
Question #3: Universe Isotropy (1:17:45)
_text_from_show_about_isotropy_WTW_
Who's That Noisy? (1:21:24)
New Noisy (1:23:38)
[high-pitched, scratchy calls/music]
...
J: If you think you know what this week's Noisy is, you can email me at WTN@theskepticsguide.org. ...
Science or Fiction (1:24:53)
Theme: Materials Science
Item #1: Chemists have developed a method for essentially printing complex designer molecules by using specific frequencies of light.[6]
Item #2: Scientists have produced a method for combining single-walled carbon nanotubes into highly ordered structures, such as a regular helix, with minimal errors by using DNA as a lattice.[7]
Item #3: Researchers have produced a biocompatible fiber optic sensor out of spider silk.[8]
| Answer | Item |
|---|---|
| Fiction | Complex designer molecules |
| Science | Dna as a lattice |
| Science | Spider silk sensor |
| Host | Result |
|---|---|
| Steve | win |
| Rogue | Guess |
|---|---|
Jay | Spider silk sensor |
Bob | Complex designer molecules |
Cara | Complex designer molecules |
Voice-over: It's time for Science or Fiction.
Jay's Response
Bob's Response
Cara's Response
Steve Explains Item #2
Steve Explains Item #1
Steve Explains Item #3
Skeptical Quote of the Week (1:39:01)
If anyone can refute me–show me I'm making a mistake or looking at things from the wrong perspective–I'll gladly change. It's the truth I'm after, and the truth never harmed anyone. What harms us is to persist in self-deceit and ignorance.
– Marcus Aurelius (121-180), Roman emperor and Stoic philosopher, from Meditations Book 6, Number 21
Signoff/Announcements
S: —and until next week, this is your Skeptics' Guide to the Universe.
S: Skeptics' Guide to the Universe is produced by SGU Productions, dedicated to promoting science and critical thinking. For more information, visit us at theskepticsguide.org. Send your questions to info@theskepticsguide.org. And, if you would like to support the show and all the work that we do, go to patreon.com/SkepticsGuide and consider becoming a patron and becoming part of the SGU community. Our listeners and supporters are what make SGU possible.
Today I Learned
- Fact/Description, possibly with an article reference[9]
- Fact/Description
- Fact/Description
Notes
References
- ↑ Nature Nanotechnology: Atomic-scale friction between single-asperity contacts unveiled through in situ transmission electron microscopy
- ↑ Neurologica: Political Ideology and the Brain
- ↑ Neurologica: Lunar Pits Warm and Comfy
- ↑ The Verge: Playing video games all summer won’t make you feel worse
- ↑ Global Times: Australian scientists begin to shine light into invisible dark matter
- ↑ Nature Chemistry: Photochemical single-step synthesis of β-amino acid derivatives from alkenes and (hetero)arenes
- ↑ Science: DNA-guided lattice remodeling of carbon nanotubes
- ↑ Biomedical Optics Express: Biocompatible spider silk-based metal-dielectric fiber optic sugar sensor
- ↑ [url_for_TIL publication: title]
Vocabulary
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