Soldering tiny stuff is hard, if not impossible, without some optical assistance. [Ad_w00000] was having just this problem, so built himself a soldering magnifier to help. The magnifier uses a variety ...

A newly discovered cluster-scale strong gravitational lens, with a rare alignment of seven background lensed galaxies, provides a unique opportunity to study cosmology. In a rare and extraordinary ...

Astronomers at the University of Chicago, MIT and elsewhere have used a massive cluster of galaxies as an X-ray magnifying glass to peer back in time, to nearly 9.4 billion years ago. In the process, ...