Amateur University

“When size stops making sense.” Once upon a time, under a quiet night sky… A young soul stared at the stars, eyes full of wonder, heart full of questions. The stars didn’t speak, but they whispered stories — of time, space, beginnings, and ends. That simple gaze turned into a journey of the mind, one question leading the way. Have you ever thought about how vast our universe is? The question “How large is the universe?” might sound simple at first, but it leads us into one of the most profound mysteries of science and existence itself. The vastness of the cosmos is not just big — it’s incomprehensibly big. To explore this, let’s take a journey from Earth outward, step by step, and uncover just how truly massive the universe is. Starting Point: Earth and Its Cosmic Neighborhood We live on Earth, a relatively small planet with a diameter of about 12,742 km. It orbits the Sun, which is a medium-sized star in the Milky Way Galaxy. Our solar system includes planets, moons, asteroids, and co...

  It started as a debate during a boring lecture in school. Me and Friends were watching down the window and talking , when one randomly asked, “Can we  really  measure the speed of light… like,  actually  measure it?” We all paused and laughed. It sounded so easy, Everyone “knows” the speed of light is 299,792,458 meters per second. But then he asked: “Yeah, but has anyone ever measured it — like how we measure the speed of a car?” The laughter faded. We stared at him. Then at each other. Turns out, that’s when you know you’re about to fall into a new physics paradox. And so this blog is born — from that conversation, from that curiosity. A journey to explore the mysterious  uncertainty in measuring the true value of the speed of light. The Speed of Light: A Constant… But Is It? The speed of light is exactly 299,792,458 meters per second. We are so sure of it that since 1983, we’ve actually used the speed of light to define how long a meter is. It’s just t...

Imagine typing a prompt like “a fox jumping through a neon-lit cyberpunk city” and getting a hyper-realistic video clip in seconds. Sounds futuristic? Not anymore. That’s Sora OpenAI’s new AI model for generating videos from text — and it’s about to change the game for developers. Recently I have learned more things about SORA BY OPENAI. There’s a lot of stuffs inside this sora. This SORA is quite interesting to learn more about this and it’s quite impressive as well because it gives a visual imagination of a human mind is unimaginable But Sora isn’t just another AI tool generating pretty visuals. It’s a glimpse into the next evolution of content creation and interaction — and developers, this one’s for you. First, let’s see what is sora?…Unlike earlier models that produced short, glitchy clips, Sora creates videos that are high in detail, consistent across frames and can mimic realistic motion, depth and perspective. This isn’t just a toy for artists or filmmakers. It’s a tool that co...

  Infinity is not a number. It’s a mindset.” Infinity is not a number. It’s a mindset.” Imagine this. You’re on a cosmic road trip, and you come across a  Hilbert Hotel  — a place with  infinite rooms,  at the edge of the universe. Feeling tired of travel, you find it to be the best spot to spend the rest of the day. Sounds like the perfect stop. Except… a sign outside says  “FULL.” But the receptionist waves you in and says,  “Don’t worry. We’ve got space.” Wait, what? Ahh…Now I welcome everyone to one of the most mind-bending paradoxes in mathematics — the  Hilbert Hotel Paradox , where  infinity doesn’t follow your common sense . You walk up to the front desk, dragging your heavy suitcase, and ask for a room. The receptionist smiles warmly. “Of course,” he says, already preparing your keycard. “But… isn’t the hotel full?” you ask. He nods. “It is. Every room is occupied.” You blink. “So, how do I get one?” “Oh, simple. I’ll just ask every ...