Eventually, we're going to want to expand the World Wide Web across the galaxy, and NASA recently demonstrated a key piece of tech that could help, beaming messages via laser across a distance of almost 16 million kilometers (10 million miles).That's about 40 times farther than the Moon is from Earth, and the accomplishment, achieved in November 2023, represented the first time that optical communications have been sent across such a distance.Traditionally, we use radio waves to talk to distant ...