How to set up interaction between two laptop screens?

Question

Monitors

Good afternoon. I saw in a movie (like a Martian) where a window from one laptop is transferred to the screen of another.
Like an extended desktop, only between two devices.
Is there such an implementation in real life? Maybe there is some software.

Answer 1

Perhaps setting up a distributed multi-screen environment with ...
UPD: the future is coming.
This is an exciting new feature also added to the Windows 10 Anniversary Update. Her work is somewhat similar to a regular remote table, but the possibilities of the novelty are somewhat wider. Images from the display of any compatible phone or PC can be transferred to the screen of another PC.
The remote screen can then be operated from the target PC using the keyboard, mouse, and other peripherals. Most likely, Project to PC will be used most often in a business environment. For example, if you want to show colleagues a document, but not send all the content, this is what you need.