SGU Episode 789: Difference between revisions

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=== Black Dwarf Supernova <small>(44:25)</small> ===
=== Black Dwarf Supernova <small>(44:25)</small> ===
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* [https://www.sciencedaily.com/releases/2020/08/200812113354.htm ScienceDaily: 'Black dwarf supernova': Physicist calculates when the last supernova ever will happen]<ref>[https://www.sciencedaily.com/releases/2020/08/200812113354.htm ScienceDaily: 'Black dwarf supernova': Physicist calculates when the last supernova ever will happen]</ref>
* [https://www.sciencedaily.com/releases/2020/08/200812113354.htm ScienceDaily: 'Black dwarf supernova': Physicist calculates when the last supernova ever will happen]<ref>[https://www.sciencedaily.com/releases/2020/08/200812113354.htm ScienceDaily: 'Black dwarf supernova': Physicist calculates when the last supernova ever will happen]</ref>
<ref group=note>Bob surely used the "Name of a Number" generator from the "How High Can You Count" webpage, at least for 10<sup>1100</sup>, but the generator (and the rules it follows, described in both the aforementioned page and the "Large Numbers" webpage) gives a different name for 10<sup>32000</sup>: one hundred decmilliasescenquinsexagintillion. He mentions "doing some addition", so it's possible he tried to mash up some of the rules, albeit mistakenly.</ref>


=== Pentagon UFO Task Force <small>()</small> ===
=== Pentagon UFO Task Force <small>()</small> ===
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* Fact/Description
* Fact/Description


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== References ==
== References ==

Revision as of 07:58, 2 September 2020

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SGU Episode 789
August 22nd 2020
SAMPLE icon.jpg
(brief caption for the episode icon)

SGU 788                      SGU 790

Skeptical Rogues
S: Steven Novella

B: Bob Novella

C: Cara Santa Maria

J: Jay Novella

E: Evan Bernstein

Quote of the Week

But too often, “common sense” is the safe harbor of ignorance and an excuse for intellectual laziness. They don’t need facts because they already know the truth—their common sense has spared them the effort of investigation or thought.

Randy Wayne White, American writer

Links
Download Podcast
Show Notes
Forum Discussion


Introduction

Voiceover: You're listening to the Skeptics' Guide to the Universe, your escape to reality.

COVID-19 Update ()

News Items

S:

B:

C:

J:

E:

(laughs) (laughter) (applause) [inaudible]

Oleandra Snake Oil ()

Moon Capsules ()

Vision Debate ()

Black Dwarf Supernova (44:25)

  Emblem-pen.png This section is in the middle of being transcribed by xanderox (talk) as of September 1st, 2020.
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[note 1]


Pentagon UFO Task Force ()

Who's That Noisy? ()

New Noisy ()

[_short_vague_description_of_Noisy]

Name That Logical Fallacy ()

Science or Fiction ()

Voiceover: It's time for Science or Fiction.

Theme: Hydrogen Fuel
Item #1: The majority of hydrogen is produced by electrolysis from water and is as clean as the source of electricity used in this process.[6]
Item #2: The global production of hydrogen is more than 70 million metric tons annually, which could theoretically produce 2.3 billion MWh of electricity. (US energy production is 4.1 billion MWh annually.)[7]
Item #3: Hydrogen is about 2.8 times as energy dense as gasoline by weight.[8]

Bob's Response

Cara's Response

Evan's Response

Jay's Response

Steve Explains Item #2

Steve Explains Item #1

Steve Explains Item #3

Answer Item
Fiction From electrolysis
Science {{{science1}}}
Host Result
Steve win
Rogue Guess
Bob
 2.8x as energy dense
Cara
 2.8x as energy dense
Evan
 2.8x as energy dense
Jay
 From electrolysis


Skeptical Quote of the Week ()

But too often, “common sense” is the safe harbor of ignorance and an excuse for intellectual laziness. They don’t need facts because they already know the truth—their common sense has spared them the effort of investigation or thought.
– from Chapter 4 of "Captiva", by Randy Wayne White, American writer

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

  1. ↑ Bob surely used the "Name of a Number" generator from the "How High Can You Count" webpage, at least for 101100, but the generator (and the rules it follows, described in both the aforementioned page and the "Large Numbers" webpage) gives a different name for 1032000: one hundred decmilliasescenquinsexagintillion. He mentions "doing some addition", so it's possible he tried to mash up some of the rules, albeit mistakenly.

References

  1. ↑ Science-Based Medicine: Oleandra – The New COVID Snake Oil
  2. ↑ Ars Technica: Could a Dragon spacecraft fly humans to the Moon? It’s complicated
  3. ↑ Nautilus: This Vision Experiment Resolved a Centuries-Old Philosophical Debate
  4. ↑ ScienceDaily: 'Black dwarf supernova': Physicist calculates when the last supernova ever will happen
  5. ↑ Space.com: What does the Pentagon's new UFO task force mean? Experts weigh in.
  6. ↑ [url_from_SoF_show_notes publication: title]
  7. ↑ US DOE Office of Energy Efficiency & Renewable Energy: 10 Things You Might Not Know About Hydrogen and Fuel Cells
  8. ↑ US DOE Alternative Fuels Data Center: Hydrogen Basics
  9. ↑ [url_for_TIL publication: title]

Vocabulary


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