#how-it-works

8 articles tagged “how-it-works”.

video

The Cutting-Room Floor: How Video Editing Went From Razor Blades to Your Browser

Dragging two handles to cut a clip feels like nothing — but it's the oldest, most powerful move in filmmaking. From slicing celluloid with a blade to non-linear editing and a browser tab, and why your

Gaurav Singh·8 min👁 2
audio

What's Really Inside a Video File — and the Strange Story of the MP3

Extracting audio from a video isn't 'converting' — it's lifting one stream out of a box. Here's what's actually inside a video file, how MP3 shrinks sound by deleting what your ears can't hear, and th

Gaurav Singh·8 min👁 2
video

Why a Two-Hour Film Fits on Your Phone: The Clever Lie Inside Every Video

Raw 1080p video weighs 11 GB a minute, yet you stream films over a phone connection. The reason is a beautiful con: most of every video isn't really there. Inside keyframes, motion vectors, and why co

Gaurav Singh·8 min👁 2
developer

The Image Format You Can Actually Read: Why SVG Is Secretly Just Text

Open an SVG in a text editor and you can read it — angle brackets, shapes, colors in plain hex. It's not a picture, it's a recipe. Here's why that changes everything, from infinite scaling to the scri

Gaurav Singh·8 min👁 2
developer

Could Two Random UUIDs Ever Collide? The Surprising Math Behind Unique IDs

Every UUID is a bet that a random string has never existed before, anywhere, without checking with anyone. It sounds reckless — here's the staggering math that makes it one of the safest bets in compu

Gaurav Singh·8 min👁 2
image

Why Your Photos Show Up Sideways: The Tiny Flag That Rotates Every Phone Picture

Your photo looks fine on your phone, then arrives sideways everywhere else. The culprit is one hidden number — the EXIF Orientation tag — and the clever, lazy trick phones use instead of actually turn

Gaurav Singh·8 min👁 2
image

'Zoom… Enhance': Why You Can't Really Upscale a Photo (and What AI Actually Does)

The detective barks 'enhance' and a blur becomes a face. It's nonsense — and the reason why is a tour through pixels, interpolation, information theory, and the AI that fakes the trick convincingly en

Gaurav Singh·8 min👁 2
image

How JPEG Quietly Throws Away Most of Your Photo (and Why You Never Notice)

Your phone photo was ten times bigger before it was saved — and most of that data was deliberately deleted. Here's the elegant mix of maths and psychology behind JPEG, what the quality slider really d

Gaurav Singh·8 min👁 2