Beams of light that can be guided into corkscrew-like shapes called optical vortices are used today in a range of ...

In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending ...

Penn Engineers have developed the first programmable chip that can train nonlinear neural networks using light—a breakthrough ...

The "Where the Light Gets In" exhibit features illuminated "spears" piercing 43 trees. The display is meant to be a "death ritual" acknowledging the trees' removal for new construction. A public ...

Engineers at the University of Pennsylvania have created a new kind of computer chip that uses light instead of electricity ...

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