More and more employees are working remotely, thanks to computers, smartphones, email, instant messaging and video-conferencing. But those technologies are no substitute for actually being in the office, where casual face-to-face conversations allow for easy collaboration and camaraderie.

Telepresence-robot makers are trying to bridge that gap with wheeled machines — controlled over wireless Internet connections — that give remote workers a physical presence in the workplace…

At $16,000 each, the Beam isn’t cheap. But Suitable Technologies says it was designed with features that make “pilots” and “locals” feel the remote worker is physically in the room: powerful speakers, highly sensitive microphones and robust wireless connectivity…

Software engineer Josh Faust beams in daily from Hawaii, where he moved to surf, and plans to spend the winter hitting the slopes in Lake Tahoe. He can’t play pingpong or eat the free, catered lunches in Palo Alto, but he otherwise feels like he’s part of the team.