Stopping Time, at 2000-2001 Lowell First Friday Lectures, Museum of Science (Boston, MA), Friday, October 6, 2000:
    Time is of philosophical interest as well as the subject of mathematical and scientific research. Even though it is a concept familiar to most, the passage of time remains one of the greatest enigmas of the universe. The philosopher Augustine once said: "What then is time? If no one asks me, I know what it is. If I wish to explain it to him who asks me, I do not know." The concept time indeed cannot be explained in simple terms. Emotions, life, and death - all are related to our interpretation of the irreversible flow of time. After a short introduction to the concept of time, Dr. Mazur... Read more about Stopping Time