SGU Episode 784

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SGU Episode 784
July 18th 2020
SGU 783 SGU 785
Skeptical Rogues
S: Steven Novella
B: Bob Novella
J: Jay Novella
E: Evan Bernstein
C: Cara Santa Maria
SA: Stephon Alexander
Quote of the Week
Hopefully, the 27th time’s the charm.
Grant Imahara
Download Podcast
Show Notes
Forum Topic


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

In memoriam: Grant Imahara ()[edit]

COVID-19 Update ()[edit]

News Items[edit]






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

"Dog Years" Myth ()[edit]

Fighting Climate Change with Rock Dust ()[edit]

Visual Perception and Filtering ()[edit]

Underused Terahertz Radiation ()[edit]

Who's That Noisy? ()[edit]

  • Answer to last week’s Noisy: Drill Cleaner

New Noisy ()[edit]

[brief, vague description of Noisy]

Interview with Stephon Alexander ()[edit]

  • The Jazz of Physics: The Secret Link Between Music and the Structure of the Universe

Science or Fiction ()[edit]

Answer Item
Fiction organic solvent
Science energy converter
Science sea water fuel
Host Result
Steve sweep
Rogue Guess

Voiceover: It's time for Science or Fiction.

Item #1: Scientists have developed an organic solvent that can dissolve any source of cellulose at room temperature, tripling the efficiency of producing biofuel from plant waste. [6]
Item #2: Scientists have demonstrated a solar energy converter with 85% efficiency and project a cost of 3 cents per kilowatt hour.[7]
Item #3: Researchers have developed a catalyst that can be used in the conversion of sea water to fuel and calculate that it will function at industrial scale.[8]

[Rogue’s] Response[edit]

[Rogue’s] Response[edit]

[Rogue’s] Response[edit]

[Rogue’s] Response[edit]

Steve Explains [Item #][edit]

Steve Explains [Item #][edit]

Steve Explains [Item #][edit]

Skeptical Quote of the Week ()[edit]

Hopefully, the 27th time's the charm.
Grant Imahara (1970-2020), American electrical engineer, roboticist, television host, and actor.

Signoff/Announcements ()[edit]

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 Send your questions to And, if you would like to support the show and all the work that we do, go to and consider becoming a patron and becoming part of the SGU community. Our listeners and supporters are what make SGU possible.

Today I Learned[edit]

  • Fact/Description, possibly with an article reference[9]
  • Fact/Description
  • Fact/Description



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