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.
La tecnología actual puede ayudar a desarrollar y sostener modelos de negocios nuevos y se ha vuelto cada vez más sofisticada. La puerta se abre y es el momento de ingresar.
El Centro Estratégico Excelencia se centrará en los servicios de adquisición y contratación comercial de Honeywell e impulsará el crecimiento económico en la región.
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If the Northern Shu monks really defeated the Seven Sects, then he would have to He was chased by the golden elixir monk.This gives him more time to master every day, and of course, the things he learns also increase.
Everything was normal on Eagle Beak Island. He tried his best to put aside what was in his mind, pretend that nothing had happened, and start his own business.They all looked towards the entrance of the cave, thinking that a monk from the Holy Ice Sect was coming.
As for handing over the spirit stones before the profits from the market next year are received, this is also a helpless move.You must know that even fire attributed spiritual beasts need to use their spiritual power in the magma to ensure that they will not be burned by the magma.
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Meat shield units such as combat dwarves can continue to fight for half a day without stopping, but if the phantom shooter continues to fire for dozens of rounds, his physical strength may be exhausted.
Regarding Wanjianfeng , after so many years of research, it can be said that he knows every detail of Wanjianfeng.Thinking about the intelligence feedback from Jianyi Chongxiao Pavilion, she reported the situation at the Ziyan Sect s mountain gate, but the intelligence department replied that the Baidi Sect s great monk at the Ziyan Sect s mountain gate had left.
It was impossible for the great monk to stay here, so he just made an explanation and returned to the mountain gate.This is also the distribution method of most sect monks, and after thousands of years of experience, almost no sect will change.
At that time, Li Shiming had no background in the headquarters, and it was normal for him to be bullied.In this world, IBMz15 is definitely at the forefront for research on space arrays.
Before they dealt with the great monk Luo Pei, they did not consider the current consequences at all.of. Fortunately, the five Nascent Souls are one body, and they are all Li Shiming s Nascent Souls.
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Xi soil entering the soil is like a drop of water entering the sea.Although many Yuanying monks know that the sect s alchemy task is not cost effective, if they really want to say it out, it will be a big trouble if the sect finds out.
No matter how he looked at it, this high tower might be related to the weapon spirit.He gently touched the talisman with his finger, and the talisman turned into a black mist and flew towards Nascent Soul who was discussing the constitution.
If there is a problem with his natal flying sword, it will be a disaster for the sword cultivator.We are monks and need to be ready to fight at any time Jiang Pu explained for Li Yuanba.
Considering that this was the great monk of the Yuqing Sect and a super power with great power, he was a little more cautious.Seeing that if the gravity field continues like this, it will be broken free by the horse headed creature from the late fourth grade hell.
Either he doesn t do it, or he does his best when he does.At this time, more than a thousand monks were suspended in the air around the mountain peak, and judging from their aura, they were all mid stage Nascent Soul monks.
Even though the attack power of the third level Muyang Queen Bee is extremely strong, it is still only in the third level realm.Their value is the highest level of the classics on cultivating spiritual beasts in the Ten Thousand Beast Sect.
He was not worried. Li Yuanba s combat power was pretty good.It s Brother Lou Li Yuanba revealed that the owner of this sword intention was none other than Brother Lou.
According to his judgment, it was a mid stage Nascent Soul monk.
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In the past year and a half, the shell resource sector index has gone up and down in three rising bands, but it has always gone up and then down.However, I am too timid to reach out, for fear of being bullied.
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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.