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#phosphorescence
necroticboop · 8 months
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💎 shiny rocks make brain go brrrr ✦ uv reactive selenite [x]
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Luminescent Figure Huddling, 2023. Chalk pastel on paper. 9 x 9 in. SOLD
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Novel method developed for phosphorescent multi-color carbon dots
A research team has devised a novel method to prepare carbonized polymer nanodots capable of emitting multi-color ultra-long room-temperature phosphorescence (RTP) from blue to green. "These materials exhibit potential applications in anti-counterfeiting and information encryption," said Zhang Qipeng, member of the team. The research findings have been published in Advanced Science, and the study was led by Jiang Changlong from Hefei Institutes of Physical Science of Chinese Academy of Sciences RTP materials glow even after the light source is removed, making them valuable for various uses like security features, data protection, displays, and medical imaging. Carbon dots (CDs) are a kind of RTP material known for being easy to make, stable under light, and safe. But making bright and long-lasting RTP materials with CDs is tough due to non-radiative loss of energy.
Read more.
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oldearthminerals · 10 days
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Fluorescent & Phosphorescent Tapered Clear Needle Calcite Crystals on Matrix, Shigar Valley, Pakistan.
https://www.oldearthminerals.com/shop/p/calcite-needle-crystals-on-matrix-fluorescent-phosphorescent
#fluorescentminerals #minerals #phosphorescent #crystals #crystalcluster #calcite #fluorescent #mineralspecimen #afterglow
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dameracrystmon · 3 months
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🦋Albino Nightflies Adoptable🦋 Pillow
Donation Fixed price 30€
The final amount must be paid to a fundraising organization for Ukraine. Let's agree first. https://www.hospitallers.life
Share and Like=Thank you💜
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chimerical-creations · 6 months
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Glitter jar featuring the skull emblem thing plus spiky vine frame from Mystery Skulls Animated. Skull logo was sandblasted into the outer surface, then the jar was filled with pink glitter and glow powder and mineral oil, and the lid glued on.
Dimensions: Approximately 6cm tall and 3cm in diameter.
[Video description: Small glass jar with white plastic screw-top lid, held between thumb and index finger. Size of jar is approximately 6cm total height and 3cm in diameter. The outer surface is sandblasted with the Mystery Skulls Animated skull emblem surrounded by spiky vines forming a vaguely triangular shape around the skull. The jar is filled with a mix of pink glitter and glow powder suspended in clear mineral oil.
The first ten seconds of video is a turnaround of the jar, showing off the sandblasted design. The glitter and glow powder has settled to the bottom of the jar.
Second part of the video shows the jar being flipped and twisted around to get the the glitter and glow powder moving. At first the glitter falls very slowly, then picks up speed as larger globs begin to fall, until the whole mass breaks away from the base of the jar in a shimmery cascade. The jar is spun around a few more times to show off the swirling insides from multiple angles.
The last forty-five seconds of video show the same twirling-about thing but under UV light, to show off how brightly the pink glow powder fluoresces. End description.]
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tenth-sentence · 9 months
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It was produced by myriads of luminous animalculae, the light of which was increased by being reflected against the metallic hull of the vessel.
"20,000 Leagues Under the Sea" - Jules Verne
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ebajous-curves · 1 year
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Just casting UV light on CRTs and stuff.
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rrrauschen · 7 months
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Anthony Discenza, {1999} Phosphorescence
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teachersource · 1 year
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Edmond Bequerel was born on March 24, 1820. A French physicist who studied the solar spectrum, magnetism, electricity and optics. He is credited with the discovery of the photovoltaic effect, the operating principle of the solar cell, in 1839. He is also known for his work in luminescence and phosphorescence. He was the son of Antoine César Becquerel and the father of Henri Becquerel, one of the discoverers of radioactivity.
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from phosphorescence by julia baird
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nickcobalt · 1 year
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Stories From the Lab: Ep. II
The perks of being a photo-chemist: even when your TLCs look like absolute shit and are completely useless, you at least still have pretty phosphorescence to brighten your day (pun intended)🥲
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Do they make glow-in-the-dark food coloring? I mean REAL glow-in-the-dark, not blacklight. Are there any food safe phosphorescent pigments?
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Biomimetic crystallization for long-pursued –COOH-functionalized gold nanocluster with near-infrared phosphorescence
Recently, Professor Di Sun's group at Shandong University extended the salting-out method (commonly used to crystallize biological macromolecules, proteins, and DNA) to crystallize –COOH-functionalized AuNCs and obtained high-quality single crystals of three novel –COOH-functionalized Au25 nanoclusters, revealing the crystallographic structure of long-pursued –COOH-functionalized AuNCs. This study not only demonstrates a facile approach for crystallizing –COOH-functionalized AuNCs, but also breaks the traditional perception of the structure of Au25(SR)18 and paves the way for investigating the correlation between their structures and properties.
Read more.
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oldearthminerals · 1 month
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Phosphorescent Golden Yellow Feather Calcite Crystal.
https://www.oldearthminerals.com/shop/p/golden-calcite-cluster-fluorescent-phosphorescent-from-maharashtra-india-w6sh5-7dp7r-jdk4m-e3jl3-9srzb-c9rxb-nb5h7-9xdbk
#goldencalcite #phosphorescence #crystals #crystalhealing #fluorescentminerals #minerals #calcite #yellowcalcite
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archivist-crow · 5 days
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On this day:
LUMINOUS SPRINGTIME WHEELS
On April 24, 1953, in the Gulf of Thailand, three overlapping luminous wheels, with curving spokes, lit up the water for twenty minutes beside the merchant vessel Rafaela. Two wheels were spinning counterclockwise and one was spinning clockwise; each rotation took twenty seconds.
In April 1995, in the Persian Gulf, two officers aboard the British Reliance observed a blue phosphorescence on the waves. Wind whirled about the vessel, and the ship was surrounded by bright blue light wheels "as far as the eye could see." Twenty yards in diameter, with twelve-inch-thick spokes, the wheels spun with apparent randomness and played about, chasing each other for eighteen minutes. Oceanographer P. J. Herring said, "Never have so many wheels been described so close together."
In April 1982, in the China Sea, sailors on the Siam watched a two-and-a-half-hour marine display that began as two sets of brilliant parallel bars, which rushed above the water surface toward the vessel and then changed into three rotating wheels with spokes reaching the horizon. After twenty minutes, four sets of bars emerged and evolved into four wheels. Next, the wheels were replaced by a pattern of blue-white spots flickering 114 times per minute and resting slightly below the calm surface of the water. No phosphorescent organisms were in the water samples.
Illustrations:
Top - diagram of phosphorescent wheels as described by the crew of the merchant vessel Rafaela
Bottom - diagram as described by the Master and Second Officer of the vessel British Reliance
Text from: Almanac of the Infamous, the Incredible, and the Ignored by Juanita Rose Violins, published by Weiser Books, 2009
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