Monthly episodes discussing this topic, 2019-06 to 2026-02.
Not enough disagreement in the transcripts to form camps. These are the positions taken by people with demonstrated expertise on this topic first, then by how many people heard them on it, then by VoiceRank.
Materials science dictates technological progress and is essential to modern society, though its practitioners often go uncelebrated.
“look through history you got the stone age bronze age iron age all of these are dictated by the key material that was militarily useful and shortly after that it became sociologically useful for us to do things”
StarTalk · Nov 2021 · 2 episodes · 252K views on this topicThe host maintains that high-quality crystal is a critical requirement for functional LEDs because defects dissipate energy as heat instead of light.
“No matter what material you used for the blue LED, it required a near perfect crystal structure. Any defects in the crystal lattice, disrupt the flow of electrons. So instead of emitting their energy as visible light, it is instead dissipated as heat.”
Veritasium · Feb 2024 · 5 episodes · 101.3M views on this topicPure iron is not useful for industrial applications because it is soft and prone to corrosion.
“Nobody needs pure iron. Pure iron is actually useless. It's very soft, it corrodes immediately even in dry air, and nobody will want that, right?”
Veritasium · Oct 2024 · 0 episodes · 0 views on this topicNatural rubber is essential for demanding applications like aircraft tires because its unique ability to crystallize under stress prevents crack propagation and allows it to endure high friction and w
“There's a reason why they make tires for planes out of natural rubber and that's because it's really demanding application. And the crystallization helps a huge amount preserve those tires and help them last.”
Veritasium · Aug 2025 · 0 episodes · 0 views on this topicMaterial science is an underappreciated branch of science that has significantly transformed human life and should be valued alongside mechanical knowledge.
“I'm into material science. It is one of the most underappreciated unheralded branches of science in this world.”
StarTalk · Jun 2019 · 12 episodes · 1.9M views on this topicThe use of nanoparticles in lubricants could improve engine cooling and provide a performance advantage.
“I can't believe nobody's figured out a way to make a lubricant that actually cools the engine at the same time so like it wouldn't just be motor oil it'd be motor oil and some kind of additive bring the temperature down yeah that would be amazing on the cars”
StarTalk · Apr 2023 · 1 episode · 142K views on this topicMetamaterials allow for unusual optical behaviors by manipulating material structure on the scale of a light wavelength.
“the idea that if you mess around with the structure of materials on the scale of a wavelength you can suddenly get all sorts of optical behaviors that you don't get in a material in its natural state”
StarTalk · Apr 2023 · 1 episode · 138K views on this topicOptimizing the geometry of a protective boot by forcing the leg to stay in a specific position prevents excessive pressure on the foot and promotes healing.
“so that is really forcing the geometry of your leg backwards so you just cannot put pressure on it the bottom is also flat so unlike a sneaker right where you have these these huge rockers kind of leading you into and out of the product by having flat again you can't get out over onto the balls of t”
StarTalk · Sep 2022 · 1 episode · 97K views on this topicPositions are extracted from transcripts by a model and may misattribute who said what. Every quote links to the episode it came from.
Includes episodes tagged with a narrower subject — each is marked with the subject it came in through.
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