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Metasurfaces are nanoscale structures that interact with light. Today, most metasurfaces use monolith-like nanopillars to focus, shape and control

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Harvard John A. Paulson School of Engineering and Applied Sciences When we think about singularities, we tend to think of massive black holes in faraway galaxies or a distant future with runaway AI, but singularities are all around us. Singularities are simply a place where certain parameters are undefined. The North and South Pole, for example, are what’s known as coordinate singularities because they don’t have a defined longitude. Optical singularities typically occur when the phase of light with a specific wavelength, or color, is undefined. These regions appear completely dark. Today...

April 27, 2021 Lyna Mohamad, Daniel Lim & Azlan Othman As blood banks run low on vital supply, local communities are answering the call for donations. Last Sunday, Filipino community members donated blood to Raja Isteri Pengiran Anak Saleha (RIPAS) Hospital Blood Donation Centre. The group’s spokesperson, Allan Rodriguez, said “Our goal is to disseminate information about the importance of giving blood especially among Filipinos residing in Brunei and to help ourselves by maintaining good health as foreign workers here.” Forty-one of the group’s 61 donors were able to donate blood, wi...

endIndex: Metro Manila (CNN Philippines) — The Philippine Association of National Advertisers, in partnership with the Certified Digital Marketer Program, will hold the inaugural Collab 2021 web conference on April 20 at 4 p.m. with the theme of e-commerce and collaboration. Touted as a 360-degree view web conference, the event will feature a lecture on the new e-commerce landscape and trends, elevator pitches on collaboration from expert guests, and in-depth panel discussions covering topics such as e-commerce marketing, consumer behaviors, product innovations, and operations. The event ...