Thanks to a clever feature which Apple simply refers to as âdynamically selected intervals,â almost any time-lapse video you shoot in the default Camera app in iOS 8 will end up as 20-40 seconds, whether you shoot for 10 minutes or two hours â¦.
ThermiTight is a new procedure that uses the power of safe, radiofrequency energy to stimulate the production of collagen and tighten loose, sagging skin of the face, neck and body.
Vacuum tubes mostly rely on thermionic emission of electrons from a hot filament or a cathode heated by the filament. This type is called a thermionic tube or thermionic valve. A phototube, however, achieves electron emission through the photoelectric effect.