What is jev that we hear about? Where is it more useful?Here's a line you'll see in almost any physics headline: protons colliding at thirteen teraelectronvolts, the Higgs boson at a hundred and twenty-five gigaelectronvolts. So what is that 'eV'? And what is the 'G' in front of it doing? Neither one is the name of a particle.
▶ Play Make one on my own topicYou insert your Card into the Card Reader, type your PIN, and $60 appears. How does money move so fast? The ATM is just a terminal, not the bank: a Display, a Card Reader, and a Cash Cartridge locked in the Vault. Your Card never carries your balance. So where does the money actually move?
▶ Play Make one on my own topicThe shop buys £200 of stock on credit. No cash leaves the shop. So why does the accountant write it down twice? Every transaction has this shape. A transaction splits into two entries: a debit on the left, and a credit on the right.
▶ Play Make one on my own topicTwo thermometers. Celsius marks freezing at zero, boiling at a hundred. Fahrenheit marks the same moments as thirty-two, and two hundred twelve. Same heat, different numbers. Why? And where does Kelvin fit? Zero isn't 'no heat'. It's just a chosen mark. Here's the shape of it.
▶ Play Make one on my own topicIs 91 prime? It looks stubborn. But the question is smaller than it looks. The numbers two to nine are all you need, and a handful of small divisions settles it. Your body comes in pairs — two eyes, two hands. Yet the heart comes as one. Here's the whole road, in four steps.
▶ Play Make one on my own topicSilk from China reached the Mediterranean. Yet nobody travelled the whole way. So how did it get there? At one end, Chang'an, today's Xi'an. At the other, Antioch, on the Mediterranean coast. Nearly seven thousand kilometres apart. The answer isn't one road — it's a chain of short journeys.
▶ Play Make one on my own topicYou read the same sentence three times, and nothing happens. Then you look away — and it clicks. Same words, same page, same brain. So what actually changed in that half second? These two pictures answer it. Wallas called the shape of it Preparation, Incubation, Illumination, Verification.
▶ Play Make one on my own topicYour brain records nearly everything that happens to you. So why can you still picture your first bike ride — the wobble, the sunlight — but not what you ate for lunch three Tuesdays ago? A garden can't raise every seed it drops.
▶ Play Make one on my own topicIn your own words, the way you'd ask a teacher.
Scenes, diagrams and a voice, built for that one question.
Chapters, captions and a transcript, on a link you can send.
Is 91 prime? It looks stubborn. But the question is smaller than it looks. The numbers two to nine are all you need, and a handful of small divisions settles it. Your body comes in pairs — two eyes, two hands. Yet the heart comes as one. Here's the whole road, in four steps.
You've probably heard that a habit takes twenty-one days. That figure comes from a plastic surgeon's observation in 1960 — it was never habit research. When researchers actually tracked people's daily behaviour, the median was sixty-six days. One of these is a real finding.
▶ Play Make one on my own topicA submarine holds steady at 200 metres. Its weight pulls down with 3,000 tonnes; its buoyancy pushes up with 3,000 tonnes — exactly equal. Control surfaces trim that balance. So how does it stay level, neither rising nor sinking? Like a basket that weighs exactly what the trolley can carry.
▶ Play Make one on my own topicA study of thirty-one languages, on five continents, found a word like "huh?" in every one. English, Spanish, Mandarin, Dutch — unrelated languages, yet they land on the same tiny sound. So why would that be? Here's the shape of it. Talk breaks down constantly: mishearing, noise, ambiguity.
▶ Play Make one on my own topicHere's a QR code — version one, twenty-one squares by twenty-one. Smudge a couple of its cells and it still scans fine. Smudge seven, and it fails completely. So why does damage not stop a QR code? A QR code is a journey written on a map.
▶ Play Make one on my own topicWhat is jev that we hear about? Where is it more useful?Here's a line you'll see in almost any physics headline: protons colliding at thirteen teraelectronvolts, the Higgs boson at a hundred and twenty-five gigaelectronvolts. So what is that 'eV'? And what is the 'G' in front of it doing? Neither one is the name of a particle.
▶ Play Make one on my own topicYou insert your Card into the Card Reader, type your PIN, and $60 appears. How does money move so fast? The ATM is just a terminal, not the bank: a Display, a Card Reader, and a Cash Cartridge locked in the Vault. Your Card never carries your balance. So where does the money actually move?
▶ Play Make one on my own topicThe shop buys £200 of stock on credit. No cash leaves the shop. So why does the accountant write it down twice? Every transaction has this shape. A transaction splits into two entries: a debit on the left, and a credit on the right.
▶ Play Make one on my own topicTwo thermometers. Celsius marks freezing at zero, boiling at a hundred. Fahrenheit marks the same moments as thirty-two, and two hundred twelve. Same heat, different numbers. Why? And where does Kelvin fit? Zero isn't 'no heat'. It's just a chosen mark. Here's the shape of it.
▶ Play Make one on my own topicIs 91 prime? It looks stubborn. But the question is smaller than it looks. The numbers two to nine are all you need, and a handful of small divisions settles it. Your body comes in pairs — two eyes, two hands. Yet the heart comes as one. Here's the whole road, in four steps.
▶ Play Make one on my own topicSilk from China reached the Mediterranean. Yet nobody travelled the whole way. So how did it get there? At one end, Chang'an, today's Xi'an. At the other, Antioch, on the Mediterranean coast. Nearly seven thousand kilometres apart. The answer isn't one road — it's a chain of short journeys.
▶ Play Make one on my own topicYou read the same sentence three times, and nothing happens. Then you look away — and it clicks. Same words, same page, same brain. So what actually changed in that half second? These two pictures answer it. Wallas called the shape of it Preparation, Incubation, Illumination, Verification.
▶ Play Make one on my own topicYour brain records nearly everything that happens to you. So why can you still picture your first bike ride — the wobble, the sunlight — but not what you ate for lunch three Tuesdays ago? A garden can't raise every seed it drops.
▶ Play Make one on my own topicAsk for the one topic that won't click and get a video on exactly that.
You've probably heard that a habit takes twenty-one days. That figure comes from a plastic surgeon's observation in 1960 — it was never habit research. When researchers actually tracked people's daily behaviour, the median was sixty-six days. One of these is a real finding.
▶ Play Make one on my own topicA submarine holds steady at 200 metres. Its weight pulls down with 3,000 tonnes; its buoyancy pushes up with 3,000 tonnes — exactly equal. Control surfaces trim that balance. So how does it stay level, neither rising nor sinking? Like a basket that weighs exactly what the trolley can carry.
▶ Play Make one on my own topicA study of thirty-one languages, on five continents, found a word like "huh?" in every one. English, Spanish, Mandarin, Dutch — unrelated languages, yet they land on the same tiny sound. So why would that be? Here's the shape of it. Talk breaks down constantly: mishearing, noise, ambiguity.
▶ Play Make one on my own topicHere's a QR code — version one, twenty-one squares by twenty-one. Smudge a couple of its cells and it still scans fine. Smudge seven, and it fails completely. So why does damage not stop a QR code? A QR code is a journey written on a map.
▶ Play Make one on my own topicA walk-in guest nobody greets for forty-five seconds eats next door. A cold property enquiry is the same — a typical agent replies hours later, and the buyer has already clicked the next listing. Can Make, GPT-4o, Twilio and HubSpot answer in forty-five seconds? A restaurant runs on two halves.
▶ Play Make one on my own topicWhat is jev that we hear about? Where is it more useful?Here's a line you'll see in almost any physics headline: protons colliding at thirteen teraelectronvolts, the Higgs boson at a hundred and twenty-five gigaelectronvolts. So what is that 'eV'? And what is the 'G' in front of it doing? Neither one is the name of a particle.
▶ Play Make one on my own topicYou insert your Card into the Card Reader, type your PIN, and $60 appears. How does money move so fast? The ATM is just a terminal, not the bank: a Display, a Card Reader, and a Cash Cartridge locked in the Vault. Your Card never carries your balance. So where does the money actually move?
▶ Play Make one on my own topicThe shop buys £200 of stock on credit. No cash leaves the shop. So why does the accountant write it down twice? Every transaction has this shape. A transaction splits into two entries: a debit on the left, and a credit on the right.
▶ Play Make one on my own topicIs 91 prime? It looks stubborn. But the question is smaller than it looks. The numbers two to nine are all you need, and a handful of small divisions settles it. Your body comes in pairs — two eyes, two hands. Yet the heart comes as one. Here's the whole road, in four steps.
▶ Play Make one on my own topicSilk from China reached the Mediterranean. Yet nobody travelled the whole way. So how did it get there? At one end, Chang'an, today's Xi'an. At the other, Antioch, on the Mediterranean coast. Nearly seven thousand kilometres apart. The answer isn't one road — it's a chain of short journeys.
▶ Play Make one on my own topicYou read the same sentence three times, and nothing happens. Then you look away — and it clicks. Same words, same page, same brain. So what actually changed in that half second? These two pictures answer it. Wallas called the shape of it Preparation, Incubation, Illumination, Verification.
▶ Play Make one on my own topicYour brain records nearly everything that happens to you. So why can you still picture your first bike ride — the wobble, the sunlight — but not what you ate for lunch three Tuesdays ago? A garden can't raise every seed it drops.
▶ Play Make one on my own topic