So-called Fire Rainbows actually have nothing to do with fire or rainbows, however they are absolutely awesome! The correct nomenclature for this optical phenomenon is circumhorizontal arc (circumhorizon arc and lower symmetric 46° plate arc are also accepted). A multi-colored halo (spanning from the red wavelengths at the top to the indigo like a rainbow) [...]
Read More clouds, meteorology, prism, rainbow, sky, sunlightOur sun is absolutely astounding, and that's no news, especially for JOL readers. However, the grand winner of a National Geographic exploration trip through X Prize, Joe Capra, entered with a stunning video about our home star's polar seasonal effects so delightfully, I had to share. In areas north of the arctic circle or south of the [...]
Read More arctic, circle, daylight, iceland, polar, rise, set, sun, sunlight, sunrise, sunsetAh, Andika! Your video really made me miss you guys, all of you! Please share a hug from me to everybody that was there, because this video warmed up my heart for the whole day. Thanks, brother! So, JimOnLight.com Community, this video below was taken by Andika Pradana (an amazing photographer/videographer who has lots of [...]
Read More Andika Pradana, Djurgården, industrial era, KTH, open air museum, Skansen, Stockholm, Sweden, zooHave you ever heard of the Kruithof Curve? Back in the early 1940's when fluorescent sources were beginning to affect the way we thought about light and color rendering, a scientist that worked for Philips named Arie Andries Kruithof performed some informal tests on how the human eye relates the amount of light in a [...]
Read More CCT, color temperature, CRI, illuminance, kelvin, Kruithof Curve, purkinje effect, scotopic visionOh holy cow – my man iSquint posted an article about Lee's new range of Sodium Effect filters that were released recently. This line of filters is excellent – if you ask "why on EARTH would I want a set of 3200 degree filters?" then you've never had to deal with daylight before. Way to [...]
Read More CCT, color filters, color temperature, CRI, kelvin, Lee Filters, sodiumDaylighting is an art of architectural lighting in which efforts are made to design the largest light source in our collective reality (the sun, obviously) as an effective source of light into a building. Is that an exact definition? No. Does it seems like a common sense practice? Of course! People have been doing it [...]
Read More clerestory windows, Daylighting, Fiber-Optic, Solar, sunWhat a beautiful concept! The French firm Nathalie Crinière has been chosen to design the Louvre Abu Dhabi – one of five major institutions being formatted for Abu Dhabi's Saadiyat Island Cultural DIstrict. Pritzer Prize winning architect Jean Nouvel's existing work will be combined with the new works from Nathalie Crinière. From Design Boom's website: [...]
Read More Abu Dhabi, Jean Nouvel, Louvre Abu Dhabi, Nathalie Crinière, Pritzer