Con frecuencia, a la tecnología le lleva muchos años abrirse paso del laboratorio a los hogares de la gente común. Sin embargo, en el caso de la tecnología Quantum Dot con la que cuentan los televisores Samsung QLED, sólo transcurrieron cerca de 30 años para que esto sucediera. Parece mucho tiempo, pero es realmente poco si no conocemos los antecedentes históricos.
En realidad, la historia de los puntos cuánticos no es tan breve. Se remonta a muchos años atrás, hasta la creación de las ventanas de vitrales — en el siglo I d.C. Es así que los humanos hemos estado aprovechando el poder de las nanopartículas — elemento central de los puntos cuánticos que acciona las imágenes sorprendentes del televisor QLED — durante mucho, pero mucho tiempo. Retrocedamos y veamos uno de los ejemplos más antiguos: las majestuosas ventanas de vitrales que datan del siglo I d.C.
¿Cómo funcionan los vitrales?
Los vitrales han existido por más de 1000 años— ¡definitivamente mucho más que el televisor QLED! En especial, los vitrales se usaban como medio de expresión artística, que se encontraba comúnmente en las iglesias europeas, durante la Edad Media. Los artistas medievales que incursionaban en la alquimia mezclaban el cloruro de oro y plata con vidrio fundido, para crear tintes rojos y amarillos que brillaban espectacularmente con la luz del sol. Cuando la luz tocaba el vitral, las nanopartículas de cloruro actuaban como puntos cuánticos, reflejando una magnífica variedad de luces rojas y amarillas en esa zona del espectro de colores.
Entonces, ¿qué tiene que ver eso con el televisor QLED?
Bueno, las creaciones sensacionales de vitrales que se encuentran en las catedrales europeas, son uno de los primeros ejemplos de la aplicación de nanopartículas similares a los puntos cuánticos por artistas humanos. Los óxidos y cloruros metálicos que se encuentran en los vitrales reaccionan con la luz de una manera similar a la de los puntos cuánticos. 1 Dichas nanopartículas tomaron un papel fundamental en la creación del fascinante efecto de estas obras clásicas de arte. Y las mismas nanopartículas — aunque mejoradas — se encuentran en las pantallas de los televisores QLED, brindando las imágenes vívidas con las que la nueva línea de Samsung está siendo reconocida.
Cómo trabajan los puntos cuánticos y cuáles son sus efectos
Mucho después de que los artistas alquimistas medievales descubrieran el método de incorporar químicamente cloruros en el vidrio, los científicos modernos empezaron a descubrir un fenómeno relacionado, casi por accidente. Al fracturar materiales con propiedades semiconductoras en partículas nanométricas — sólo ligeramente mayores que las moléculas de agua — se descubrieron otras propiedades interesantes. El tamaño ajustado de las partículas afecta el color de la emisión de luz, como resultado del cambio en la energía de banda prohibida. De este modo, al controlar el tamaño de un punto cuántico con incrementos diminutos, el espectro de colores puede expresarse en forma más plena y pura.
¿No es sorprendente que el proceso para controlar las nanopartículas para que produzcan colores asombrosos se haya refinado tanto, que ahora podamos encontrar puntos cuánticos en un televisor moderno? Hoy podemos apreciar imágenes impresionantes gracias a los puntos cuánticos de los televisores QLED, tanto como en las increíbles luces de los paneles de vitrales en las catedrales más importantes del mundo.
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Yuebai nodded thoughtfully, Then what is the truly supreme morality Shen Jinghao raised her eyes to look at the setting sun on the horizon, and said in a deep voice, Great wisdom is like foolishness, great skill is like clumsiness, great sound is like sound, and elephant is invisible.She concentrated on it, like a sneaking assassin, carefully injecting her edge into the seedlings.
Practicing the four elements of the Dharma of the Wealth Couple is really indispensable The sky and the earth are vast, covered in silver, with snow falling all over the sky and thousands of trees covered with silver flowers.Jiang Yuebai was unable to interrupt at this time, so he quickly found the awakening pill to repair the sea of consciousness and drank it.
The old lady was smiling brightly and full of energy, playing a drum to tease the swaddled baby next to her.Foundation building monks are better. Qi training monks really can t resist their forced conquest.
The little Ganoderma lucidum exuded a bit of demonic energy, and the flower bone flower quickly bloomed and spit out a small box into Jiang Yuebai s hand.Xie Jingshan sat down and asked, What do you fancy This fire control The Living Fire Technique is very useful for my fire alchemy method.
The journey is far away, and you need to find the teleportation array at the junction of the Baipu Territory and the Chaotian Territory.Hey Hey Hey hey hey The sound of percussion like a gust of wind is accompanied by the strong dance movements, like fighting on the battlefield, hearty, wild and restless, making people s blood boil.
Now he is afraid that the tiger monster is inside. The strength of the eighth level monsters is infinitely close to the initial stage of foundation building.As far as the eye can see, the naked red earth is empty, with only dust all over the sky, as scattered as falling snow.
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Squeak. Yun Shang tapped the spirit rat s nose, Who told you to be naughty If you don t work, you still want to beg for food from me.The clan chiefs of the Kong clan and the Fang ACV Keto Pills: The 4-Week Belly Slimming Secret of Working Women in New York
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When he came back to his senses, he had fallen into the square, and the coldness rushed from his neck to the top of his head
rob the head. Jiang Yuebai finished the second half of the sentence and sheathed the sword.When she opened her eyes, she saw Jiang Yuebai sitting among piles of purple fire crystals, holding two jade slips and practicing spells.
Mingshafang is opposite Shanhai Tower. After the caravan arrived, Stone immediately gave a token of Mingshafang.As the rocks rolled down, Jiang Yuebai looked up and saw the dead vines on the mountain wall falling off one by one and rising up, like poisonous snakes that were ready to attack, arching their bodies with murderous intent.
Bring it to me. Jiang Yuebai took out a scrapped glazed lotus platform from his belt and handed it over with both hands.She trusted Jiang Yuebai more than Yu Qiuchi. Ge Yuchan glanced at the people in front of her with murderous intent, Finding Calm with CBD Gummies within 5 Mi: A Comprehensive Guide
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she was already a foundation building monk at a young age, they all raised their heads to the sky.I naturally want to congratulate you. Fan, give me a big gift.
Oh, by the way, it can self destruct at critical moments, which is equivalent to an eighth grade detonating talisman.Don t delay, hurry up Jiang Yuebai hurriedly took out the soul bottle and handed it over.
Entering the mountain gate, Xie Jingshan took the first step.The scale and strength of the Pingjiang family is only second to that of the Kong family.
Mo Baichun frowned slightly and stared inside, as if he was communicating with the people inside.The two strangers looked at each other, then looked at Zhao Fuyi behind Jiang Yuebai, and let out a short whistle.
Jiangchen Dan is a nine grade water refined elixir.It s you. There is a dream of immortality in my incense burner.
Don t try to keep it for yourself. I ll go outside to see if the search team has left.After struggling for a moment, Yun Shang blushed and asked bravely Do you
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no, no, Jiang Yuebai waved her hand quickly, I don t have enough time for myself in a day, where can I find the time Serve the spirit beast to eat, drink and poop.
If it is not enough, make up for as many days as you are short of and continue to work here
Master Xuancheng, who guards the Yinshan Mine, has been in seclusion in the deepest part of the mine.Don t lose the etiquette of our Huaxi Valley. Ah Jiang Yuebai asked again He left Yun Shang where he was and ran away.
After walking for about half an hour, Peng Sanyang suddenly stopped leaving.Shenji stone seal carving can exercise the strength and fineness of the spiritual consciousness.
In the closed Cangyan Land at this time, the most valuable person to the ghost clan is Zhao Fuyi.Jiang Yuebai squinted his eyes and smiled stupidly, and secretly glanced at his cultivation panel.
The grasslands here are already full of spring grass, and cattle and sheep are running all over the mountains and fields.
Join hands and let the rocks fall The leading Yuanying early stage monk said in a deep voice when he saw Wang Yuan s thunder method stopped.It would be difficult for him to suppress him in the middle stage of Yuanying.
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It was a huge surprise that Li Shiming successfully promoted to the Nascent Soul stage in a short period of time, not to mention that he also became a Nascent Soul Lei cultivator.With a loud boom , thunder struck Elder Jian, and the entire sky was dyed white.
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which also extended from the sky to the sky above the island Two bright bolts of lightning intertwined in an instant and struck at the Red Fire Green Tailed Leopard Everything happened in a flash of lightning, so fast that neither Ye Ling nor Bingdie could react.
Qingwan nodded, suddenly remembered something, and asked Master, now the whole city is recruiting the sea vanguard army, and they want a thousand foundation building experts.Cave Mansion. Oh The genius of the barbarians Ye Ling s heart moved, and he suddenly remembered the ancient order.
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As for how to capture that guy, I have my own way. I will definitely let you swallow his remnant soul to replenish the loss of Nascent Soul Essence.Stay at your peak at all times
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Unexpectedly, at this moment, the door opened with a creak, and then, the unique blue bubbles of the Water Hidden Talisman appeared in the void.There will be a total of more than ten breaths, which is just suitable for our generation.
At night, with the cover of night, it cheered up and accelerated its movement.Seeing us was like seeing old friends and associates.
Con frecuencia, a la tecnología le lleva muchos años abrirse paso del laboratorio a los hogares de la gente común. Sin embargo, en el caso de la tecnología Quantum Dot con la que cuentan los televisores Samsung QLED, sólo transcurrieron cerca de 30 años para que esto sucediera. Parece mucho tiempo, pero es realmente poco si no conocemos los antecedentes históricos.
Los vitrales han existido por más de 1000 años— ¡definitivamente mucho más que el televisor QLED! En especial, los vitrales se usaban como medio de expresión artística, que se encontraba comúnmente en las iglesias europeas, durante la Edad Media. Los artistas medievales que incursionaban en la alquimia mezclaban el cloruro de oro y plata con vidrio fundido, para crear tintes rojos y amarillos que brillaban espectacularmente con la luz del sol. Cuando la luz tocaba el vitral, las nanopartículas de cloruro actuaban como puntos cuánticos, reflejando una magnífica variedad de luces rojas y amarillas en esa zona del espectro de colores.
Cómo trabajan los puntos cuánticos y cuáles son sus efectos
¿No es sorprendente que el proceso para controlar las nanopartículas para que produzcan colores asombrosos se haya refinado tanto, que ahora podamos encontrar puntos cuánticos en un televisor moderno? Hoy podemos apreciar imágenes impresionantes gracias a los puntos cuánticos de los televisores QLED, tanto como en las increíbles luces de los paneles de vitrales en las catedrales más importantes del mundo.