OPN Multimedia

The M87 Black Hole
An image of the black hole at the center of galaxy M87, obtained by the Event Horizon Telescope—a very-long-baseline interferometry (VLBI) array of eight high-altitude millimeter-wave astronomy facilities distributed across Earth’s surface.


Image of the Week: Striking images of optics, contributed by OPN readers

On-chip comb

OPN Video: Selected shorts related to OPN features, columns and more

Those Who Affected Me

After Image: The beauty of light, as seen on the last page of each OPN issue

Distorted by waves

Photo Contest: The entries, and winners, of our yearly bid for the best optics images