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...there comes a time when one must take a position that is neither safe, nor politic, nor popular, but one must take it because one's conscience tells one that it is right. - Dr. Martin Luther King Jr.
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The Mysterious Xiangxi of China
Original photo credit: Dominic Wunderlich from Pixabay
Detail photo of the positioning of a small glass tube filled with argon gas that contains a twisted nanocarbon across from a high-resolution micro lens, which will be used to monitor the local temperature of the small filaments in an experiment in the Kotov Lab at the North Campus Research Center of the University of Michigan in Ann Arbor on Wednesday, December 18, 2024. This lens and the software used with it allowed for precise thermal mapping of the twisted nanocarbon. The glass tube is filled with argon because nanocarbon is highly susceptible to oxidation under air conditions, especially when heated. Argon, being an inert gas, prevents oxidation and ensures the stability of the nanocarbon during high-temperature operation.
Researchers from the Kotov Lab have found that submicrometer twisted filaments made from materials like nanocarbon or metals can produce strong chiral infrared photons, especially in the wavelength range of 500 to 300 nanometers. The twisted filaments emit light that is significantly brighter, up to 100 times more bright than other similar light emitters. The special helical shape of the filaments helps in controlling the type of twisted light they emit. Additionally, coating these nanocarbons with durable, transparent ceramics results in bright and adjustable chiral emitters capable of functioning at temperatures that were previously thought to be unreachable. This advancement opens new possibilities in the field of chiral photonics and high-temperature applications. COMPASS is the Center for Complex Particle Systems which is directed by Nicholas Kotov, the Irving Langmuir Distinguished University Professor of Chemical Sciences and Engineering.
Photo: Brenda Ahearn/University of Michigan, College of Engineering, Communications and Marketing
Brean Down Fort. Coast Artillery Search Light Position built during WWII and Steep Holm in the distance.
See Somerset Historic Environment Record entry.
While hiking in the Rimrock Hoodoos area, we found some interesting blooming desert flowers. They all were small and looked very fragile.
I had to assume a horizontal position to be able to capture the flowers at a angle I wanted.
Captured by my wife on her P&S.
Three-Position Air Rifle Shooting is the most popular and fastest growing form of shooting sports competition for youth of high school age or younger. Two different Three-Position Air Rifle events are available. Precision Air Rifle is modeled after Olympic-style shooting and allows the use of specialized target rifles and equipment. Sporter Air Rifle is designed for new competitors or those who desire to compete with a minimum of equipment and expense.
In both types of shooting, competitors fire at targets at a distance of 10 meters in three different positions, prone, standing and kneeling. Three-Position Air Rifle provides young competitors with competitive shooting sports opportunities that can be offered on a wide variety of easily accessible or easily constructed ranges, with equipment that is commonly available at affordable costs.
aktuelle Position:
www.vesselfinder.com/vessels/AQUAPOLIS-IMO-0-MMSI-205384790
gemeldet in: Antwerpen
Nationalität:
Europa-Nr.: 06105002
MMSI-Nr.: 205384790
Rufzeichen: OT3847
Länge: 134,95 m
Breite: 17,35 m
Tiefgang: 3,70 m
Tonnage: 6287 t
TEU: 404 bei 4 Lagen - 504 bei 5 Lagen
Maschinenleistung: 2x 1699 PS
Maschine: 2x Caterpillar 3512 (B) DI-TA electronic
Bugstrahl: 1x 973 PS Caterpillar Veth-Jet, 1x 535 PS Cummins v.Tiem
Baujahr: 2007
erbaut in:
Bauwerft: Nantong Hongqiang Shipyard, Nantong
Ausbauerft: De Gerlien - Van Tiem in Druten