Early photography pioneer Julia Margaret Cameron: art and chemistry

What makes a truly great photograph? Is it the skill of the photographer or the nature of the subject matter? Sometimes there are stories behind great pictures. And this one involves two pioneers who helped shape the history of photography itself: Julia Margaret Cameron and Sir John Herschel. Cameron, the most significant female photographer of Read more…

Hilbert’s Curve: Is infinite math useful?

Let’s talk about space-filling curves. They are incredibly fun to animate and they also give a chance to address a certain philosophical question. Math often deals with infinite quantities, sometimes so intimately that the very substance of a result only actually makes sense in an infinite world. So the question is, how can these results Read more…

Rolling Shutter Explained on the Cheap

Hey, it’s me, Matt. Welcome back to standupmaths. Now, rolling shutters. A recap if you’ve not been on YouTube for the past week or so. Digital cameras, like while I’m filming on now, expose the top row of pixels before they expose the bottom row. The exposure kind of rolls across the sensor, which means Read more…

What Is Reality? [Official Film]

– I want to tell you about the universe. What it is, how it came to be, what its building blocks are. I want to tell you how the future creates the past, which then creates the future. But first, I want to tell you about crystals. You might be surprised to know that a Read more…

Michio Kaku: The Universe in a Nutshell (Full Presentation)

My name is Professor Michio Kaku.  I’m a professor of theoretical physics at the City University of New York and I specialize in something called string theory.  I’m a physicist. Some people ask me the question, “What has physics done for me lately?  I mean, do I get better color television, do I get better Read more…

Forget what you know | Jacob Barnett | TEDxTeen

Translator: Jaime Ochoa Reviewer: Capa Girl Hey! I’m Jacob Barnett, are you guys excited? (Cheers) Alright! I am here to tell you why you guys should forget everything you know, right now! So, first thing you guys need to know: suppose you guys are all doing your homework. OK, you know, it’s something you have Read more…

23. Class 12 Physics | PN Junction & Sem Diodes | Photo Diode | by Ashish Arora (GA)

lets study about another, semiconductor diode, which is called photo diode. about a photo diode we can write that, it is a junction diode. a p-n junction diode only. manufactured. by using a. light sensitive. semiconductor. in this situation. whenever light falls on the junction of a photodiode. as the semiconductor is light sensitive. numerous Read more…

Times Tables, Mandelbrot and the Heart of Mathematics

ok so to start off I’ve got 4 images for you. Quick question what do all of them have in common. Well, I would be very surprised if you guess this one here. (Giuseppe) They are full of lines. (M) They are full of lines, they are in a circle. But actually they are pictures Read more…

But what is a Neural Network? | Deep learning, chapter 1

This is a three. It’s sloppily written and rendered at an extremely low resolution of 28 by 28 pixels. But your brain has no trouble recognizing it as a three and I want you to take a moment to appreciate How crazy it is that brains can do this so effortlessly? I mean this this Read more…