Ep. 217 How Spells Work

What happens when you put a Sphere of Annihilation inside a Bag of Holding? In this episode of FGGGbT, the Brain Trust — Daniel J. Glenn, Dr. Michael Dennin, and Ben Sieper — go deep on magical item combos, the science of extradimensional space, the world's most powerful glue, potion mixology, and the surprisingly complex question of when a sword becomes a person. We kick things off with the Bag of Holding — how its constant weight hints at real theories of gravity and extra dimensions — before combining it with the Sphere of Annihilation (a dense ball of antimatter in a magical containment field) and exploring the three probabilistic outcomes, including a spontaneous rip in space-time that sends your party to a random time period. Then we tackle Sovereign Glue, why no substance in our world truly sticks to everything, and the hilariously impractical physics of storing oil of slipperiness in a bottle. We also dive into potion mixology — why mixing potions in your body is random (your gut biome matters), what quantum wave interference has to do with making a potion permanent, and why you should always read the label before chugging two potions at once. Finally, we explore sentient magical items: Black Razor, Night Blood, and the Professor Orb — and debate whether these items contain trapped souls, emergent AI, or something else entirely.

What makes a magical item truly magical — and how many is too many? In this episode of FGGGbT, the Brain Trust — Daniel J. Glenn, Dr. Michael Dennin, and Ben Sieper — dive deep into the science, physics, and storytelling behind D&D magical items, and things get wonderfully chaotic. We explore how magical items are created through the fantasy equivalent of metal alloying and materials science — from Damascus steel to samurai folding techniques — and how the concept of magical attunement maps perfectly onto impedance matching in electronics. We break down the difference between a non-magical plus one sword (medieval ergonomics) and a truly magical weapon, why magical weapons can harm magical creatures when ordinary ones can’t, and how luck itself might be a form of short-range time travel or quantum probability manipulation. Then we get into the really fun stuff: the Cloak of Billowing, the Luck Blade, the Cursed Shield of Missile Attraction, the Bag of Beans, the Folding Boat (which turns out to be an excellent murder weapon), and the ultimate chaotic device — the Deck of Many Things. Plus, does drawing a card that gives you a castle reveal fate or create it? And did your rich uncle have to die for that to happen? Whether you’re a dungeon master looking for inspiration or a player obsessed with magical loot, this episode is for you. Topics Covered: How magical items are created: alloying, Damascus steel & samurai folding Magical attunement vs. non-magical attunement (medieval ergonomics) Why magical weapons harm magical creatures Impedance matching & the three-item attunement limit Luck as quantum mechanics, divination & short-range time travel The Luck Blade, Cursed Luck Stone & Shield of Missile Attraction The Bag of Beans, Deck of Many Things & wild magic items Favorite magical items: Cloak of Billowing, Folding Boat & Nolzur’s Marvelous Pigments Cursed items — liabilities or creative opportunities? Listen to all our episodes on magic: The Magical World of….well MAGIC! Facebook Twitter Support the show by buying cool merch at Glennco Designs!

What if the eight schools of D&D magic were actually eight fundamental forces of the universe? In this episode of FGGGbT, the Brain Trust — Daniel J. Glenn, Dr. Michael Dennin, and Ben Sieper — break down all eight schools of magic through the lens of real science, from particle physics and chemistry to neuroscience and quantum mechanics. We explore how the eightfold way in particle physics maps perfectly onto the eight schools of magic, and introduce the theoretical “magon” — the fundamental particle of spellcasting. Then we go school by school: Abjuration as proton-like defensive particles, Conjuration as spacetime manipulation, Divination as probabilistic quantum prediction, Enchantment as brain chemistry and pheromones, Evocation as pure chemistry-based destruction, Illusion as electromagnetic sense manipulation, Transmutation as nuclear physics, and Necromancy as life-force control. We also debate which school is the most dangerous, the most easily abused, and the most morally complex — and why charm, illusion, and necromancy form a uniquely troubling trio. Whether you’re a D&D wizard trying to pick your school, a science nerd who loves fantasy, or just someone who wants to know how a fireball is different from a cone of cold, this is the episode for you. Topics Covered: The eightfold way in particle physics & the “magon” Abjuration, Conjuration, Divination, Enchantment, Evocation, Illusion, Transmutation & Necromancy The science behind each school: chemistry, nuclear physics, neuroscience & quantum mechanics Which school requires the most energy? The ethics of necromancy, enchantment & illusion Real-world parallels: mirages, pheromones, nuclear reactions & optical illusions Listen to all our episodes on magic: The Magical World of….well MAGIC! Facebook Twitter Support the show by buying cool merch at Glennco Designs!

How do spells actually work — and why do some only affect certain creatures? In this episode of FGGGbT, the Brain Trust — Daniel J. Glenn, Dr. Michael Dennin, and Ben Sieper — break down the mechanics, physics, and philosophy behind spellcasting in D&D and beyond. We explore the power of true names and pronunciation (Cthulhu, anyone?), the science behind spell foci like wands — including a deep dive into electrostatics and why wood might not be a coincidence. We dig into why Charm Person doesn’t work on a dog, why Hold Monster is harder than Hold Person, and why elves are immune to Sleep (spoiler: they don’t actually sleep). Then we get into the physics of Fireball vs. Wall of Fire, including a true story about an accidental wall of fire in a college lecture hall. Finally, we tackle one of science’s oldest debates — is magic (and math) invented or discovered? — using the Newton vs. Leibniz and Edison vs. Tesla rivalries as our guide. Whether you’re a D&D player who’s always wondered why Otto’s Irresistible Dance might not work on someone without legs, or a science fan curious about the line between magic and physics, this episode is for you. Topics Covered: True names & the power of words in magic systems Spell foci: wands, electrostatics & druidic focus items Charm Person vs. Charm Monster — the biology of persuasion Hold Person vs. Hold Monster & paralysis mechanics Why Sleep affects (almost) everyone — and why elves are immune The physics of Fireball, Wall of Fire & controlling chaotic energy Named spells & the “second discoverer” effect (Newton, Leibniz, Tesla, Edison) Is magic invented or discovered? The math debate Listen to all our episodes on magic: The Magical World of….well MAGIC! Facebook Twitter Support the show by buying cool merch at Glennco Designs!

Could humans actually develop psychic powers? The science says… maybe. In this episode of FT GBT, the Brain Trust — Daniel J. Glenn, Dr. Michael Dennin, and Ben Sieper — dive into the often-overlooked world of psionics, exploring the real neuroscience and physics behind mind powers in D&D, Stranger Things, X-Men, Star Wars, and Warhammer 40K. We break down why psychic energy works as a continuum (unlike the discrete “chunks” of arcane spell slots), and how that maps onto pop culture icons like Eleven from Stranger Things. We explore the three categories of psionic powers — attacking the mind, defending the mind, and telekinesis — and dig into the real-world science behind each: from electromagnetic brain signals and sports psychology breakdowns (Simone Biles, Ric Flair) to Faraday cages, Jedi mind tricks, and why a tinfoil hat might not be such a bad idea after all. We also tackle the big question: can a non-psychic person defend against a psychic attack, or are they just a fish in a barrel? Whether you’re a D&D player curious about psionics, a sci-fi fan, or just someone who’s ever wondered if you could move a remote control with your mind, this episode is for you. Topics Covered: What are psionics & why they’re D&D’s most underrated subsystem Psychic energy as a continuum vs. discrete spell slots Mind attacks: ego whips, mind thrust & psychic horror Real-world parallels: sports psychology, CIA training, hypnotism Defending the brain: Faraday cages, Magneto’s helmet & Warhammer 40K The physics of telekinesis Eleven (Stranger Things), X-Men, Star Wars & psionic pop culture Can non-psychics resist psychic attacks? Listen to all our episodes on magic: The Magical World of….well MAGIC! Facebook Twitter Support the show by buying cool merch at Glennco Designs!

Show Notes Can science explain how divine magic actually works? In this episode the FGGGbT Brain Trust tackles the rules, biology, and ethics behind divine magic in Dungeons & Dragons. From the life-force mechanics powering clerics and druids to the darkest corners of necromancy — we break it all down. We explore how death functions as a control valve for life energy, why souls are the currency of divine magic, and what separates a good necromancer from an evil one. Plus, we debate the ethics of raising the undead, zombie consent, and whether zombies are actually part of the natural order of things. We also break down the key differences between Revivify, Resurrection, and Reincarnation — and what the HBO show Carnival can teach us about the conservation of magical energy. If you’ve ever wondered whether necromancy can be ethical, what gods actually want with your soul, or why druids might be okay with zombies under the right circumstances — this is the episode for you. Listen to all our episodes on magic: The Magical World of….well MAGIC! Facebook Twitter Support the show by buying cool merch at Glennco Designs!

Show Notes Can neuroscience and physics explain how D&D spell slots actually work? In this episode of FGGGbT (Fascinating Gadgets, Gizmos & Gear-Based Technologies), the Brain Trust — Daniel J. Glenn, Dr. Michael Dennin, and Ben Sieper — crack open the skulls of arcane magic users to figure out what’s really going on inside. We break down Vancian magic and why wizards forget spells after casting them (spoiler: it’s RAM, neural pathways, and sleep science). We explore spell slots as discrete energy units using battery analogies — from AA batteries to D batteries to full-on thermal runaway. We also dig into magic scrolls as portable energy storage, the key brain differences between wizards, sorcerers, and warlocks, and the science of necromancy. Plus, Dr. Dennin introduces his original house rule — Dennin’s Law of Unused Magical Energy — which asks: what if you could downcast a spell by forcing high-level energy through a low-level spell slot? (Hint: it involves lithium battery fires and a barbarian with a fan.) Whether you’re a D&D player, a science nerd, a fantasy fan, or all three, this episode will change the way you think about magic forever. Listen to all our episodes on magic: The Magical World of….well MAGIC! Episodes We Discussed Fascinating Nouns Ep. on Memory w/ Rebecca Sharrock Facebook Twitter Support the show by buying cool merch at Glennco Designs!

Show Notes What is magic, really? In this episode, The Brain Trust dig into one of fantasy’s most fundamental questions — not just what magic does, but what it is. They explore why every great fantasy setting gives magic its own internal rules (and why breaking those rules breaks the world), how magic functions less like a supernatural miracle and more like a natural force nobody fully understands yet — a fifth fundamental force, sitting alongside gravity and electromagnetism. From there the conversation gets into the different kinds of people who use it: wizards who treat magic like science, sorcerers running on raw instinct, and clerics and druids who don’t need to understand the rules because they’ve got someone powerful on speed dial. Along the way there’s a detour into why your remote is basically a magic wand, why Alexa is closer to a spell than anyone admits, and the surprisingly thorny question of why, in a world where some people can rewrite reality with a word, those people don’t just run everything. Listen to all our episodes on magic: The Magical World of….well MAGIC! Facebook Twitter Support the show by buying cool merch at Glennco Designs!

Vampires are the one monster that seems to have been around forever (I mean they are immortal), and they never seem to go away.  Their popularity may wax and wane, but these predators are always present, ready to suck away our life force in order to preserve theirs.  Even when it seems like we have discussed everything there is to say about these creatures of the night, the Brain Trust comes through with a new perspective.  This week we discuss their relation to the mosquito, how blood types play a major factor, and how a virus could keep you alive while you are biologically dead. Podcast Links Castlevania Man-Eating Plants Facebook Twitter

Everyone remembers the famous line in “Raiders of the Lost Ark” where Indy says “Why did it have to be snakes?”  Well our Daring Druid (and resident ophiophilist) Ben Siepser often wonders “Why isn’t it ALWAYS snakes”?  So this week we take a look at a few of our favorite snake-based humanoids including the naga, the ophidians, and the dreaded Yuan-Ti.  Just a bit of a warning, the reproductive cycles of these creatures gets REALLY weird, so make sure to have a pen and paper ready.  Also keep an ear out (no pun intended) for my DeKalb Flying Corn shout out! Facebook Twitter