"Hi guys, welcome to my YouTube channel. Make sure you like and subscribe." This is the familiar opening patter of hundreds of fresh-faced YouTubers waving down the camera to their legions of fans.

Video technology has improved drastically and become more affordable — and music's biggest stars are deploying it in eye-catching new ways. By Steve Knopper When Baz Halpin first spoke with Justin ...

Video laryngoscopes incorporate an integrated camera and display monitor. These provide indirect visualisation of the upper airway to help placement of a breathing tube between the vocal cords and ...