Leora Radetsky

@lradetsky.bsky.social

457 Followers 2114 Following

Lighting scientist. Decarbonization, energy efficiency, light pollution mitigation, integrative lighting. Opinions are my own. https://www.researchgate.net/profile/Leora-Radetsky

Fireflies flashing low in the wild bushes and sumac trees near an abandoned golf course.
White bichon Frise looking pensive in the back seat of a car. Another Bichon is sleeping in the foreground.
Fire truck menorah with five firemen, four hose reels, three candles, two drivers and one Dalmatian shines softly on the second night of Chanukah.
Artist: Tracy Chapman Album: Tracy Chapman Released April 5, 1988
Aurora borealis during a sub storm with green and pink pillars above a reservoir in upstate New York. The full moon washes out most of the color in the sky.
A black-and-white cat stands on a small wooden table, leaning toward a partially open white door and biting the edge of it. The cat’s eyes are wide and curious, and its tail is raised. Behind the cat, various items and cords are visible
Firefly movement dots Sumac trees and black raspberry shrubs. Upstate NY at 11 PM. ProCam 8 app, 300 second light trail photo.
Poster for the HBO series Carnivàle. At the top, the show’s title “CARNIVÀLE” appears inside a rustic sign featuring a crescent moon and star. Below it reads, “Into each generation is born a creature of light and a creature of darkness.” The main cast poses in front of an old truck, with a broken Ferris wheel in the background, set against a dusty, ominous landscape. Characters are dressed in 1930s Dust Bowl-era clothing, some standing, sitting, or leaning on the vehicle. At the bottom, text announces the premiere date: “September 14, 9:30PM” and “New episodes Sundays at 9PM,” with the HBO logo.
My name, LEORA, in Land satellite imagery
Empty road in Gabriels NY under a clear night sky looking North. Above a mountainous ridge is a low lying green Aurora Arc and some green and purple pillars above.
An old-fashioned brass menorah with 8 illuminated blue candles covered with polka dots.
Goofy, elderly bichon frise, with his tongue sticking out. He is looking straight at the camera.
XKCD comic on light pollution. A cartoon titled “Light Pollution and the Disappearing Night Sky” shows four panels illustrating the effects of light pollution. 1. High Light Pollution (Cities): The sky appears brownish and only a few stars are visible. 2. Moderate Light Pollution (Suburbs): The sky is darker, revealing more stars, but it is still somewhat hazy. 3. Low Light Pollution (Very Remote Areas): The sky is very dark, showing a multitude of stars and faint details of the Milky Way. 4. No Light Pollution (How the Sky Should Look): An exaggerated depiction of the night sky shows an intricate, fantastical scene with structures labeled “Lattice of the Crystal Spheres” and “Ships of the Sky King.” The cartoon humorously suggests that an unpolluted night sky might reveal imaginary cosmic structures.
Little white Bicon Frise sitting in a car looking adorable.
Rhodochrosite from Colorado
Image with text: many Americans would rather live next door to a loving Haitian immigrant family than a Trump supporter
Think of how stupid the average person is and realize that half of them are stupider than that. George Carlin
Picture of Kamala Harris and Ruth Ginsburgh stating “women belong everywhere decisions are being made”
Firefly glows light up a unlit suburban back yard