Traffic engineers face "a new conundrum" in dealing with red-light cameras such as this one in New Mexico, according to a recent study looking at how cameras are operated and the perception that they are used to generate revenue.
What's the point of a red-light camera — to make intersections safer or to generate revenue? That's the question prompted by researchers at the University of Tennessee, who say the cameras are sometimes used in ways that are more likely to make money than to improve safety.
Performance artist Marina Abramovic's piece Measuring the Magic of Mutual Gaze is both art installation and science experiment, in which volunteers sit facing one another while having their brain waves measured. Abramovic discusses these arts and science experiments with neuroscientist Christof Koch, an expert in consciousness.