Brad Holland, an artist whose conceptual work and iconoclastic ways delighted — and often maddened — generations of art ...

The intensity of radiation emitted from a given region in the sky, measured as brightness temperature, generally increases as the emitting jet plasma moves farther from the black hole.

The Zero Mk2 uses magnets to transform from a flat card-shaped work of art into a hexagonal pen The pen weights less than 1 oz (28 g), comes in light and dark silver finishes, can be engraved ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...