Notion Setup: Research Page With Wikipedia Split Screen
Copy/Paste the web address into a notion page and select “Create Embed”
Click And Drag Embed To The Left/Right Of Your Notes
Copy And Paste Text From Wikipedia To Notes (Links Do Not Transfer!)
Copy Links: Highlight Link, Right click, And SeleCt “Copy Link”
Distraction-Free Reading Mode: Select Full Screen
As you can see, Wikipedia page returns to homepage upon fullscreen mode. This is certainly a draw back if you want to go back and forth to your notes, but a handy feature regardless.