Here’s how it works: 

to experience this project you need to download the free augmented reality app from the appstore. then go to futurepast.news on a computer or another device’s browser and play the video in fullscreen mode. On an iPhone or iPad, open the app and point the device’s camera to the computer screen. Looking at the news from 1937 through the app you’ll be able to view today's state of affairs.

tips:

Keep your device in landscape orientation, it provides a better viewing experience

Make sure there are no reflections on your screen, darker environments work better.