We live in a great time to be a lumen junky with so many fantastic flashlights on the ... A flashlight with more candela will allow you to see objects beyond those obstacles, whereas a light lacking ...

Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from ...

Displayed in its own stark white enclosure, it floats delicately on the wall as it hovers between object and image. For all its gems, there’s a certain scattershot feeling to “Lumen.” ...

The wide angle disperses light, illuminating objects in your immediate vicinity. It produces fewer lumens than many of the other headlamps included here, but that helps this model run longer on a ...

Three big ‘PST Art: Art and Science Collide’ exhibitions include marvelous objects, but only one show is satisfying. The Getty Museum’s exhilarating ‘Lumen: The Art and Science of Light ...