SGU Episode 984

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SGU Episode 984
May 18th 2024
984 AI Robot.jpeg

"Researchers utilize Nvidia’s Eureka platform, a human-level reward design algorithm, to train a quadruped robot to balance and walk on top of a yoga ball." [1]

SGU 983                      SGU 985

Skeptical Rogues
S: Steven Novella

B: Bob Novella

C: Cara Santa Maria

J: Jay Novella

E: Evan Bernstein

Quote of the Week

Science is the only self-correcting human institution, but it also is a process that progresses only by falsification.

Allan Sandage, American astronomer

Download Podcast
Show Notes
Forum Discussion

Introduction, aurora viewing from solar CME[edit]

Voice-over: You're listening to the Skeptics' Guide to the Universe, your escape to reality.

Special Report: Steorn Free Energy Update (3:42)[edit]

  • [url_from_show_notes _article_title_] [2]

News Items[edit]






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

Chat GPT 4o (15:42)[edit]

  • Hello GPT-4o [4]
    (Note: this article is not from the SGU show notes page)

2023 hottest summer in 2000 years (31:06)[edit]

Spotting Misinformation (40:33)[edit]

AI Training Robots (48:38)[edit]

B: giving a meatball for a reward.

Reincarnated Son of Buddha (59:59)[edit]

Who's That Noisy? (1:07:56)[edit]

New Noisy (1:12:20)[edit]

[Rapid mechanical whirring]

J:...If you know the sound this week

Announcements (1:13:07)[edit]

Questions/Emails/Corrections/Follow-ups (1:15:18)[edit]

Email #1: Protecting Bigfoot[edit]


Science or Fiction (1:20:43)[edit]

Theme: Battery materials

Item #1: By weight the most prevalent element in current production lithium ion batteries is nickel, followed by cobalt, and then lithium.[8]
Item #2: A recent analysis concludes that the world will not be able to mine enough copper to make the green transition between now and 2050.[9]
Item #3: A new study finds that extracting lithium from shale wastewater in Pennsylvania could produce 40% of current annual US demand.[10]

Answer Item
Fiction Lithium third-most prevalent
Science Not enough copper to mine
Lithium from shale wastewater
Host Result
Steve clever
Rogue Guess
Not enough copper to mine
Lithium from shale wastewater
Lithium third-most prevalent
Lithium third-most prevalent

Voice-over: It's time for Science or Fiction.

Evan's Response

Bob's Response

Jay's Response

Cara's Response

Steve Explains Item #3[edit]

Steve Explains Item #2[edit]

Steve Explains Item #1[edit]

Skeptical Quote of the Week (1:37:55)[edit]

Science is the only self-correcting human institution, but it also is a process that progresses only by showing itself to be wrong.

 – Allan Sandage (1926-2010), American astronomer


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[11]
  • Fact/Description
  • Fact/Description


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