Although it’s only 2021, this decade is shaping up to be one that sees humanity and computers interlink in unthinkable ways. Researchers have taken another baby step toward melding mind and machine.

A network is great, but what if you just want to connect two Macs and transfer gobs of information as fast as you can? Using a gigabit ethernet cable or a Mac with 802.11ac (Wi-Fi 5) or later wireless ...