A magnifying glass contains a lens that’s made into a convex shape in order to better see small objects. Magnifying glasses have plenty of uses, from making it easier to read a book to examining ...

In this article, I'll show you how to make an awesome "Death Ray" using the large magnifying lens from an old projection TV. The lens is called a Fresnel lens; a device that employs several ridges to ...

Jet material ejected from a black hole is magnified in new observations from Caltech's Owens Valley Radio Observatory. This discovery provides the best view yet of blobs of hot gas that shoot out from ...

Glimpse worlds beyond our own with AG’s esteemed space expert and living legend, Fred Watson. Fred Watson is an honorary professor at Macquarie University and was Australia’s first Astronomer-at-Large ...