An ultra-massive black hole has been uncovered using gravitational light bending, something theorized by Albert Einstein in his General Theory of Relativity. A team of astronomers have used a bent ...

THE idea of detecting the Einstein deflection by measures of two neighbouring stars has occurred to many people, and Prof. C. V. Raman writes to suggest that the apparent distance of the two ...

Guy Bartal, from the light refraction lab at Berkeley, talks with Scott Simon about the research they're doing on "invisible cloaks." Bartal overseas research in this lab, and is a co-author of two ...

Scientists have unveiled a groundbreaking discovery: a material capable of bending light in unprecedented ways. This advancement opens up possibilities for innovations in optics, including superlenses ...