The Webb Space Telescope’s giant primary mirror, arguably its most critical and difficult part, is approaching completion. The 18-segment mirror stands two stories high and is designed to best capture the infrared light Webb seeks. Follow the mirror’s journey from rough ore to precisely reflective, gold-coated segments in this video, which details how the mirrors are constructed and tested.... Read More إقرأ المزيد | Share it now!
The all-new Jeep Grand Cherokee has a lot going for it. It’s based on the next-generation Mercedes M-class platform, looks rugged and undercuts its rivals by thousands. But is it a good enough alternative to them? Here, Alex Kersten finds out in our quick fire review.... Read More إقرأ المزيد | Share it now!