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Many of the communication tools of today rely on the function of light or, more specifically, on applying information to a light wave. Up until now, studies on electronic and optical devices with materials that are the foundations of modern electronics—such as radio, TV, and computers—have generally relied on nonlinear optical effects, producing devices whose bandwidth has been limited to the gigahertz (GHz) frequency region. Thanks to research performed at the University of Pittsburgh, a physical basis for terahertz bandwidth (THz)—the portion of the electromagnetic spectrum between infrared and microwave light—has now been demonstrated.

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Tim Tebow isn't perfect.

Researchers at the University of Pittsburgh have made advances in better understanding correlated quantum matter that could change technology as we know it, according to a study published in the Nov. 20 edition of Nature.

The story of two sisters and a hair towel After they graduated from college in 2006, sisters Angela Carr and Christina Cummings started a business selling a product their father had created: an absorbent, fitted hair towel called the Turbie Twist.

The "aha" moment: Thomas Davis was working out at a Pittsburgh YMCA one afternoon in 2009 when he noticed his fellow gymgoers moving their sweaty towels from one machine to the next. Davis, a former consumer products consultant at Pfizer, thought there might be demand for a more hygienic gym towel.

Carnegie Mellon, Pittsburgh | Photograph by Bill Cramer Manuela Veloso Professor of Computer Science, Carnegie Mellon Pittsburgh Veloso, 53, a professor of computer science and member of the Robotics Institute at Carnegie Mellon University, is turning robots from joystick-operated poles on wheels into "CoBots" -- intelligent companions that can navigate and move. "CoBots can accompany you to a particular place, give you a tour, do tasks, or stand in for you as telepresence. It seems like science fiction, but it's not