Light playing on water drops, dust or ice crystals in the atmosphere produces a host of visual spectacles - rainbows, halos, glories, coronas and many more. Some can be seen almost every day or so, some are once in a lifetime sights. Find out where to see them and how they are formed. Then seek and enjoy them outdoors.

AdTech Optics designs, engineers, and manufactures mid-IR semiconductor lasers based on Quantum Cascade technology. Our team is shaping the industry standards, and is continually engaging in Research and Development in a fast-paced environment rich of intellectual resources, innovative technology solutions, and state-of-the-art equipment. AdTech Optics will be attending SPIE Photonics West 2018. In San Francisco, CA, in February. AdTech Optics will be attending SPIE Photonics West 2017.

Unusual phenomena around the World. Unusual Twilight Phenomena in Europe. At daytime, the sky appeared in a pale blue as if there was a layer of thin cirrostratus clouds. At low sun elevations, stripes and ripples appeared in this layer. Some observers felt reminded of noctilucent clouds by these structures. In the mornings, these phenomena also appeared in reversed order.

Design team has got years of experience in designing kitchen. To fit your taste according to your budget.