Manual do Mundo
Portuguese
DO NOT DO THIS in the POOL! The DANGER of CHLORINE!
“A strong chlorine smell” in a pool often seems normal. But it isn't always. In this video, we explain why chlorine — a product so common in our daily lives — can become extremely dangerous
The science behind IMAX technology!
If you've ever been in an IMAX theater and felt like you were "inside" the movie, you've already noticed that something is different. But what really changes? In this video, we explain how
Afinal, o que é CIÊNCIA QUÂNTICA? Veja na prática!
Hoje a ciência quântica vai finalmente fazer sentido! Chamamos o Alfredo Mateus para mostrar, com experiências simples, como entendemos o que acontece dentro dos átomos — desde colisões
How is caustic soda manufactured? #Let'sSee
The sink got clogged — and almost everyone knows which product usually “solves” the problem: caustic soda! But why does it work so fast, while others do practically nothing? To answer
It left the miniature and grew to 4 meters! (Ep. 2)
The boat is no longer just a pile of loose wood. Now it has shape, rigidity, and it floats! Each glue that cures secures the next step—and time waits for no one. Between mistakes, corrections
Do you REALLY know how to use a globe?
Have you ever stopped to look at a globe closely? Those lines, numbers, and symbols aren't there by chance. In this video, Iberê really gets his hands on the globe and shows how it helps you
REVERSE ENGINEERING: We copied an INDUSTRIAL SIREN!
Today the idea is to disassemble an industrial siren and try to recreate everything from scratch. Reverse engineering, 3D printing, compressed air, absurd rotation… and a result that nobody
IBERÊ 24h on the SAILBOAT! Did it WORK? (Final episode)
Raising the sail was just the beginning. The real challenge came later. In this video, a hand-built sailboat finally hits the water—and the mission is clear: sail as far as possible and
The island with ONE MILLION penguins! #Let'sSee
There's a place in the far south of South America… more than 700 kilometers from the mainland. Here, cars drive on the wrong side of the road. Almost no one knows the currency. War is still
DON'T DO THAT! We put METAL in the MICROWAVE!
What happens if you put metal in the microwave and turn it on? In this video, we test spoons, lunch boxes, aluminum foil, and even unlikely objects to find out what really happens inside. What
Where does the smell of NEW come from? #IberêAnswers
Why does the "new smell" disappear over time? It really exists — and the "old smell" comes from somewhere else… In the same Iberê Answers, we also explain what the Adam's apple really
NEW RECORD for a PET BOTTLE ROCKET!
PET bottle rockets, multiple stages, embedded electronics, and lots of creativity. In this video, Manual do Mundo closely follows the final of the Brazilian Rocketry Journey, the final stage
