Portt

4 stories

Stories

How to See What Your Street Looked Like 100 Years Ago
Five ways to find your own street in the past — city archives, old maps, library collections, Street View history, and AI reconstruction. What each one is good for.
Portt BlogAug 5, 20264 min read
AI Time Travel Photo Apps: How They Work, and Where They Fail
Most "time travel" photo apps apply a sepia filter. Reconstructing a scene is a different problem. Here is what the difference looks like, and what it costs.
Portt BlogJul 22, 20263 min read
Historical Photo Looks, Era by Era: 1920s, Victorian, Ancient Rome
What actually changes between a 1925 photograph and a 1965 one — the clothes, the streets, the film. A guide to picking the right era for the picture you want.
Portt BlogJul 8, 20263 min read
What Did Ancient Rome Actually Look Like at Street Level?
Not white marble and empty plazas. Rome in 100 BCE was painted, crowded, loud and six storeys high. What the reconstructions usually get wrong.
Portt BlogJun 24, 20263 min read