Transistor (https://transistor.fm) https://feeds.transistor.fm/not-just-because-vehicles How vehicles move people and things through the world, from rescue trucks to rockets, with clear, age-appropriate explanations of parts, power, and safety. ©2026 Mutual Pledge Incorporated 840fc281-a50a-5a70-a7a3-62edc948dac9 yes en Sun, 18 Oct 2026 02:27:38 -0700 Sun, 18 Oct 2026 02:28:11 -0700 https://notjustbecause.com https://img.transistorcdn.com/2E5JSX6Z6vcZ7qmwWHerMAwkpod3tb5QnVi0Z4yCcDw/rs:fill:0:0:1/w:1400/h:1400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9kNWY5/ZTY5ZDVmYmNhNmFj/YzgzMTc4ZmIwMDMy/MDYzMy5qcGc.jpg https://notjustbecause.com episodic Mutual Pledge Incorporated How vehicles move people and things through the world, from rescue trucks to rockets, with clear, age-appropriate explanations of parts, power, and safety. How vehicles move people and things through the world, from rescue trucks to rockets, with clear, age-appropriate explanations of parts, power, and safety.. Education, Kids, Vehicles, Trucks, Trains, Planes, Rockets Mutual Pledge Incorporated brendan@mutualpledge.com No No 17 17 Trophy Trouble: Fastest, Longest, Tiniest Cars full 801afa61-9cf4-46fd-ae20-be8189077c87 https://share.transistor.fm/s/12ad7741 Sun, 27 Sep 2026 09:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 593 Before you hand out a trophy for the "fastest" or "biggest" car, you have to pick the category and how you measure it! A jet-thrust land-speed machine screams past 763 mph, but a licensed grown-up on a real road must obey posted limits and drive slower in rain or busy streets. Before you hand out a trophy for the "fastest" or "biggest" car, you have to pick the category and how you measure it! A jet-thrust land-speed machine screams past 763 mph, but a licensed grown-up on a real road must obey posted limits and drive slower in trophy trouble fastest longest tiniest cars, fastest longest tiniest cars for kids, vehicles for kids, transportation, engineering for kids No 16 16 Three Ways to Reach the Wheels full 24e1fae5-8c5c-4204-994b-e63f3e4425bf https://share.transistor.fm/s/1da4daad Thu, 24 Sep 2026 09:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 630 How does energy actually travel from a fuel tank or a battery all the way to a spinning wheel? A tour through a friendly workshop compares a gasoline engine burning a tiny bit of fuel to push a piston, an electric motor spun by changing magnetic pulls, and a hybrid that blends both and catches back some energy while slowing. How does energy actually travel from a fuel tank or a battery all the way to a spinning wheel? A tour through a friendly workshop compares a gasoline engine burning a tiny bit of fuel to push a piston, an electric motor spun by changing magnetic pulls, an three ways to reach the wheels, three ways to reach the wheels for kids, vehicles for kids, transportation, engineering for kids No 15 15 Designing a Family Car: Seats, Rows, and Room to Spare full c7e86282-4b94-4a74-8992-5621e6255b28 https://share.transistor.fm/s/4d5f5bf7 Mon, 21 Sep 2026 09:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 693 Every seat in a car is a designed place, with belts, headroom, and safety built in—so why can't folding a seat make extra riders? In a make-believe showroom, an imaginary family-car layout takes shape one seat at a time, comparing two-seaters, five-seat two-row cars, and roomy three-row vans. Every seat in a car is a designed place, with belts, headroom, and safety built in—so why can't folding a seat make extra riders? In a make-believe showroom, an imaginary family-car layout takes shape one seat at a time, comparing two-seaters, five-seat t designing a family car seats rows and room to spare, seats rows and room to spare for kids, vehicles for kids, transportation, engineering for kids No 14 14 From Metal Sheet to Rolling Car: A Factory Tour full d3ae8658-3450-4148-ad61-de0df1b6509c https://share.transistor.fm/s/dad29ab2 Fri, 18 Sep 2026 09:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 905 Follow one car from its very first design sketch all the way to a finished, tested vehicle, with a stop at every station along the way. Giant presses stamp flat metal into curved panels, robots weld the body, workers add wiring and seats, and inspectors hunt for tiny flaws before a car ever rolls out the door. Follow one car from its very first design sketch all the way to a finished, tested vehicle, with a stop at every station along the way. Giant presses stamp flat metal into curved panels, robots weld the body, workers add wiring and seats, and inspectors h from metal sheet to rolling car a factory tour, factory tour for kids, vehicles for kids, transportation, engineering for kids No 13 13 The Horseless Carriage: How the First Cars Rolled Out full 01a8e9ec-3aba-4f80-95eb-f1b29c2df5bd https://share.transistor.fm/s/7d06633f Tue, 15 Sep 2026 16:14:13 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 882 A wobbly three-wheeled machine from 1886 sputters to life without a single horse, and the meaning of "first car" turns out to depend on how you define it. Steam and electric vehicles rolled before gasoline ones, while Carl Benz, the Daimler team, the Dodge brothers, and Ford's workers each added pieces to the puzzle. A wobbly three-wheeled machine from 1886 sputters to life without a single horse, and the meaning of "first car" turns out to depend on how you define it. Steam and electric vehicles rolled before gasoline ones, while Carl Benz, the Daimler team, the Dodg the horseless carriage how the first cars rolled out, how the first cars rolled out for kids, how early cars were made and how ford mercedes-benz and dodge began, vehicles for kids, transportation, engineering for kids No 12 12 Four Forces: How Airliners Ride the Air full 5735e101-3b4f-4408-b7df-f7b474787cfd https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260905-four-forces-how-airliners-ride-the-air Sat, 05 Sep 2026 14:02:22 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 450 A giant airliner weighs as much as many elephants, yet it climbs into the sky and stays there. Following a plane from takeoff to landing, the four forces of flight come alive: lift from wings tilting the moving air downward, weight pulling toward the ground, thrust from the engines, and drag pushing back. A giant airliner weighs as much as many elephants, yet it climbs into the sky and stays there. Following a plane from takeoff to landing, the four forces of flight come alive: lift from wings tilting the moving air downward, weight pulling toward the grou four forces how airliners ride the air, how airliners ride the air for kids, vehicles how does a huge airplane stay in the sky, vehicles for kids, transportation, engineering for kids No 11 11 Electric Cars: Zooming on Stored Power full f2d2b8d4-7800-4095-84ba-f183b23fc3c5 https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260902-electric-cars-zooming-on-stored-power Wed, 02 Sep 2026 10:18:43 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 361 Electric cars roll down the road without a drop of gasoline—so where does their get-up-and-go come from? Big batteries store energy, tiny motors spin the wheels, and a clever trick called regenerative braking tucks a little energy back for later. Charging up is compared to filling a tank, all with real machines and gentle, kid-friendly steps. Electric cars roll down the road without a drop of gasoline—so where does their get-up-and-go come from? Big batteries store energy, tiny motors spin the wheels, and a clever trick called regenerative braking tucks a little energy back for later. Charging electric cars zooming on stored power, zooming on stored power for kids, how electric cars move without gasoline, vehicles for kids, transportation, engineering for kids No 10 10 Ambulances to the Rescue! full fa458f9d-fab0-4d94-851b-6bf3250ab7d7 https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260331-ambulances-to-the-rescue Tue, 31 Mar 2026 02:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 475 When someone is hurt or very sick, a special vehicle races to help — but how does an ambulance actually work, and what happens when you call for one? From flashing lights and loud sirens to the medical tools packed inside, this episode brea... When someone is hurt or very sick, a special vehicle races to help — but how does an ambulance actually work, and what happens when you call for one? From flashing lights and loud sirens to the medical tools packed inside, this episode brea... ambulances to the rescue, ambulances to the rescue for kids, what are ambulances and how do they help sick people, vehicles for kids, transportation, engineering for kids No 9 9 Where Does the Trash Go? Garbage Trucks and Recycling Trucks! full bd5936d9-a419-4704-9088-f9348e2a1658 https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260328-where-does-the-trash-go-garbage-trucks-and-recycling-trucks Sat, 28 Mar 2026 02:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 526 A fully loaded garbage truck can weigh as much as five or six elephants—but how does it actually collect, crush, and carry away all that waste? This episode breaks down the mechanics of garbage and recycling trucks, from the giant mechanica... A fully loaded garbage truck can weigh as much as five or six elephants—but how does it actually collect, crush, and carry away all that waste? This episode breaks down the mechanics of garbage and recycling trucks, from the giant mechanica... where does the trash go garbage trucks and recycling trucks, trash go garbage trucks and recycling trucks for kids, garbage trucks and recycling trucks, vehicles for kids, transportation, engineering for kids No 8 8 Monster Trucks and Race Cars: Big Wheels, Fast Wheels! full c7dd75b3-c60b-4ee1-85e0-f0652073fe36 https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260328-monster-trucks-and-race-cars-big-wheels-fast-wheels Fri, 27 Mar 2026 18:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 479 Monster truck tires stand taller than most grown-ups, while race cars hug the ground at incredible speeds—but why are these vehicles built so differently from everyday cars? This episode breaks down the engineering behind enormous wheels an... Monster truck tires stand taller than most grown-ups, while race cars hug the ground at incredible speeds—but why are these vehicles built so differently from everyday cars? This episode breaks down the engineering behind enormous wheels an... monster trucks and race cars big wheels fast wheels, big wheels fast wheels for kids, monster trucks and race cars, vehicles for kids, transportation, engineering for kids No 7 7 Mixing It Up! How Cement Mixers and Construction Vehicles Build Our World full 36a30764-c617-481c-ad0e-4b4b7332b252 https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260328-mixing-it-up-how-cement-mixers-and-construction-vehicles-build-our-world Fri, 27 Mar 2026 10:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 467 Why does a cement mixer's giant drum never stop spinning, and what would happen if it did? This episode dives into the science behind concrete—what it's made of and why it must keep moving—while touring the roles of excavators, bulldozers, ... Why does a cement mixer's giant drum never stop spinning, and what would happen if it did? This episode dives into the science behind concrete—what it's made of and why it must keep moving—while touring the roles of excavators, bulldozers, ... mixing it up how cement mixers and construction vehicles build our world, construction vehicles including cement mixers, vehicles for kids, transportation, engineering for kids No 6 6 How Do Submarines Dive and Come Back Up? full 60a9af09-c40c-49df-89a4-d221744f84a8 https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260328-how-do-submarines-dive-and-come-back-up Fri, 27 Mar 2026 02:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 447 Submarines are massive metal vessels, yet they can sink beneath the ocean's surface and rise back up at will—so how do they do it? The secret lies in ballast tanks, which fill with water to make the sub heavier and push it out to make it li... Submarines are massive metal vessels, yet they can sink beneath the ocean's surface and rise back up at will—so how do they do it? The secret lies in ballast tanks, which fill with water to make the sub heavier and push it out to make it li... how do submarines dive and come back up, submarines dive and come back up for kids, how do submarines dive under the water and come back up, vehicles for kids, transportation, engineering for kids No 5 5 How Do Grown-Ups Drive? full ac34b6a1-a2af-4237-a21a-0efc1c541f00 https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260328-how-do-grown-ups-drive Thu, 26 Mar 2026 18:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 463 Cars have steering wheels, pedals, mirrors, and all sorts of buttons and signals—but how do they all work together to get a vehicle moving safely down the road? This episode breaks down the mechanics of driving, from how the steering wheel ... Cars have steering wheels, pedals, mirrors, and all sorts of buttons and signals—but how do they all work together to get a vehicle moving safely down the road? This episode breaks down the mechanics of driving, from how the steering wheel ... how do grown-ups drive, grown-ups drive for kids, vehicles for kids, transportation, engineering for kids No 4 4 Blast Off! How Rocket Ships Fly Into Space full 5b0f83d0-678e-4c13-9665-3faf7fe28a0a https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260328-blast-off-how-rocket-ships-fly-into-space Thu, 26 Mar 2026 10:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 577 Rockets are the ultimate vehicle—they travel farther than any car, plane, or truck ever could—but how do they actually work? This episode breaks down what fuel rockets use, how their engines push against the powerful pull of gravity, and wh... Rockets are the ultimate vehicle—they travel farther than any car, plane, or truck ever could—but how do they actually work? This episode breaks down what fuel rockets use, how their engines push against the powerful pull of gravity, and wh... blast off how rocket ships fly into space, blast off how rocket ships fly into space for kids, rocket ships and space travel, vehicles for kids, transportation, engineering for kids No 3 3 How Do Trains Stay on the Tracks? full 925a9c5c-8552-4339-9a26-c68c6ab82e92 https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260326-how-do-trains-stay-on-the-tracks Thu, 26 Mar 2026 02:00:00 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 562 Train wheels aren't flat like a soup can—they're subtly cone-shaped, and that small detail is one of the key reasons massive locomotives stay locked onto narrow steel rails. This episode breaks down the clever engineering behind train wheel... Train wheels aren't flat like a soup can—they're subtly cone-shaped, and that small detail is one of the key reasons massive locomotives stay locked onto narrow steel rails. This episode breaks down the clever engineering behind train wheel... how do trains stay on the tracks, trains stay on the tracks for kids, vehicles for kids, transportation, engineering for kids No 2 2 How Do Helicopters Fly Without Wings? full 663125fa-613d-4334-804a-3dcdf517c957 https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260326-how-do-helicopters-fly-without-wings Thu, 26 Mar 2026 01:59:59 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 519 Helicopters don't have the long, flat wings that airplanes do—so how do they get off the ground and stay in the air? Rotor blades are actually a special kind of wing, and when they spin fast enough, they push air downward to create lift. Th... Helicopters don't have the long, flat wings that airplanes do—so how do they get off the ground and stay in the air? Rotor blades are actually a special kind of wing, and when they spin fast enough, they push air downward to create lift. Th... how do helicopters fly without wings, helicopters fly without wings for kids, vehicles for kids, transportation, engineering for kids No 1 1 Fire Trucks to the Rescue! full de67f5d3-1a86-47c7-9312-da7a0be8444e https://notjustbecause.com/shows/not-just-because/not-just-because-vehicles/20260326-fire-trucks-to-the-rescue Thu, 26 Mar 2026 01:59:58 -0700 Mutual Pledge Incorporated Mutual Pledge Incorporated 501 Fire trucks carry an impressive arsenal of tools—ladders, hoses, water tanks, axes, and first aid kits—all packed onto a single vehicle built for emergencies. This episode explores why fire trucks are so big, how their ladders reach high wi... Fire trucks carry an impressive arsenal of tools—ladders, hoses, water tanks, axes, and first aid kits—all packed onto a single vehicle built for emergencies. This episode explores why fire trucks are so big, how their ladders reach high wi... fire trucks to the rescue, fire trucks to the rescue for kids, fire trucks ladders and hoses what they carry and how firefighters use them to help people, vehicles for kids, transportation, engineering for kids No