Modern-age telescopes have offered us a tantalizing view of what lies in the vast expanse of space, while also giving us glimpses of the universe’s past. However, making telescopes that can peek deep ...

Conventional lenses use refraction to focus light. Refraction is when light changes direction as it passes from one medium to another – it is the reason light bends when it enters water. In contrast, ...

For centuries, telescopes have relied on curved lenses and mirrors to capture images of the cosmos. While effective, these ...

For centuries, lenses have worked the same way: curved glass or plastic bending light to bring images into focus. But traditional lenses have a major drawback—the more powerful they need to be, the ...

Optical telescopes utilize refraction and reflection to focus light, enabling detailed astronomical observations and ...