Dry leaf of mulberry when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek ParkLick Creek: Background Notes. College Station, Texas

🎞️ #3631-27
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College Station and Sam Houston Forest, Texas, October 11 - 13, 2024

Album 3631: College Station and Sam Houston Forest, Texas, October 11 - 13, 2024

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The image displays two photographs of the same dry leaf, one taken under regular daylight and the other illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 13, 2024.

**Left: Regular Daylight**

* The photograph on the left shows a dry mulberry leaf against a dark background.
* The leaf is yellowish-brown and has a few small holes or tears in it.
* The veins are visible but not prominent, and the edges of the leaf are slightly curled up.
* The overall appearance suggests that the leaf has been dried for some time.

**Right: UV-A Blacklight Illumination**

* In contrast, the photograph on the right shows the same dry mulberry leaf illuminated by a 365 nm ultraviolet (UV-A) blacklight.
* Under this light source, the veins of the leaf become much more prominent and visible, appearing as thin white lines that crisscross the leaf.
* The edges of the leaf are also more defined, with a slight blue tint visible along the margins.
* Additionally, several small spots on the leaf appear to glow brightly under the UV-A light, suggesting that they may be areas where the leaf's natural pigments have broken down or degraded over time.

**Comparison**

* Overall, the two photographs provide a striking comparison between the appearance of the dry mulberry leaf under regular daylight and under UV-A blacklight illumination.
* The use of UV-A light highlights the intricate network of veins within the leaf and reveals areas where the leaf's natural pigments have broken down or degraded over time. – AI vision

🇪🇸 Descripción en español / Spanish Description

La hoja seca de mulberry cuando se expone a la luz del día regular, así como también cuando es iluminada por una luz negra ultravioleta (UV-A) de 365 nm desde Lick Creek Park. College Station, Texas, 13 de octubre de 2024. La imagen muestra dos fotografías de la misma hoja seca, una tomada bajo luz del día regular y la otra iluminada por una luz negra ultravioleta (UV-A) de 365 nm desde Lick Creek Park. College Station, Texas, 13 de octubre de 2024. **Izquierda: Luz del día** * La fotografía de la izquierda muestra una hoja seca de morera contra un fondo oscuro. * La hoja es amarillenta-marrón y tiene algunos pequeños agujeros o desgarros en ella. * Las venas son visibles, pero no prominentes, y los bordes de la hoja están ligeramente rizados hacia arriba. * El aspecto general sugiere que la hoja ha sido secada durante algún tiempo. **Derecha: Iluminación con luz negra UV-A** * En contraste, la fotografía de la derecha muestra la misma hoja seca de morera iluminada por una luz negra ultravioleta (UV-A) de 365 nm. * Bajo esta fuente de luz, las venas de la hoja se vuelven mucho más prominentes y visibles, apareciendo como líneas finas blancas que cruzan la hoja. * Los bordes de la hoja también son más definidos, con un ligero tinte azul visible a lo largo de los márgenes. * Además, varios pequeños puntos en la hoja parecen brillar intensamente bajo la luz UV-A, sugiriendo que pueden ser áreas donde los pigmentos naturales de la hoja se han descompuesto o degradado con el tiempo. **Comparación** * En general, las dos fotografías proporcionan una comparación sorprendente entre la apariencia de la hoja seca de morera bajo luz del día regular y bajo iluminación UV-A. * El uso de luz UV-A destaca la intrincada red de venas dentro de la hoja y revela áreas donde los pigmentos naturales de la hoja se han descompuesto o degradado con el tiempo. – Spanish translation

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