Patients who previously underwent LASIK and are now experiencing age-related vision changes have a new path forward. In its latest educational article, Can I Get Refractive Lens Exchange if I’ve Had ...
Scientists can now reliably chill specimens near absolute zero for over 10 hours while taking images resolved to the level of individual atoms with an electron microscope. The new capability comes ...
Abstract: This study presents the design, fabrication, and experimental validation of a refractive index sensor system based on D-shaped multimode optical fibers integrated with optical time-domain ...
When you spot an item you love on social media or while out and about, Amazon Lens is the quickest way to find similar items in the Amazon Shopping app. Now, we’re making Amazon Lens even better with ...
Abstract: Negative refractive index (NRI) lens antennas offer the advantage of producing thinner lens profiles compared to conventional lenses. This study investigates positive and negative refractive ...