Stroboscope is a device that emits active and brief flashes of light used to study motion or produce special visual effects. However, there are other words that can be used interchangeably with Stroboscope, such as flasher, flicker, strobe, or pulsar. Flasher describes a device that produces intermittent light, while a flicker connotes a light that abruptly switches on and off. A strobe, on the other hand, is a device that emits light in rapid succession to create an illusion of a still image that is in motion. Finally, the term pulsar denotes a light-emitting object whose brightness fluctuates at regular intervals. Though different, each of these words shares a similar characteristic with Stroboscope and can be used to describe similar technologies or devices.