Achromatic performance of different single lenses and multilayer lenses. (A) Schematic of the designer 3D-printed multilayer achromatic metalens (MAM). (B) Schematic of traditional and flat optics lenses [including Fresnel lens, …
Credit: Pixabay/CC0 Public Domain A growing herd of 250 bison, re-introduced at the Rocky Mountain Arsenal National Wildlife Refuge to help restore toxic wasteland to the native short-grass prairie, often …
A graphic illustrating the four possible interactions between two particles, where the arrows indicate the force experienced by the particle of that color due to the gradient surrounding the particle …
Fig. 1. (A) Location of the city where the study area is located within the province; (B) location of the study site in the city; (C) the orthomosaic image acquired …
Credit: Pixabay/CC0 Public Domain Orange County is strengthening its protections for the area’s vast expanse of wetlands, delicate but critical natural areas often imperiled by pressure for new development. The …
Credit: Junior Libby/public domain Angelenos hoping to cozy up by the fireplace this week should make other plans. The South Coast Air Quality Management District has extended a no-burn order …
Credit: Unsplash/CC0 Public Domain Florida has long been home to an unnatural assortment of creatures from faraway lands and habitats, and these tourists turned permanent residents have wreaked havoc on …
Dramatic plumes spray water ice and vapor from many locations along the famed “tiger stripes” near the south pole of Saturn’s moon Enceladus. The tiger stripes are four prominent, approximately …
Galaxy M33 (Triangulum Galaxy) as seen by Hubble Space Telescope. JWST was used recently to observe sites in its southern arm where newly forming stars (YSOs) appear to lie. Our …
ZTF data of ZTF20aabowdt. On the left, the upper panel shows the lightcurve, the middle panel shows the folded lightcurve (P = 25.92 minutes), and the final panel shows the …