Hawking radiation relies on a basic tenet of quantum theory — large fluctuations in energy can occur for brief moments of time. (scientificamerican.com)
However, the artist has strategically positioned a photographer, whose camera's flash illuminates the scene for brief moments of time. (artforum.com)
If the dog is silent from the start, it is important to leave it only for a brief moment of time. (web-rover.com)