Both machines will need a wireless card. It can be done without a router if you don't mind the machine that is connected to the internet having to be on so's the other machine can access the connection (peer to peer).
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?