Academic infographic in a scientific and didactic style, with a clean visual style, showing light rays passing through an ophthalmic lens, focus correction, and reduction of optical distortions before reaching the eye. Include labels in Portuguese, light background, high contrast, without childish aesthetics. Captions must be in Portuguese.
010
Hero
realistic productive photography, conceptual sunglasses, on reflective sweep, centered vertical alignment, interference lighting with cross polarizers, degree edge highlights, diffused backlight through translucent scrim, prisms for soft caustics, surface finish frosted glossy acetate, graphite to neon pink gradient background, minimalist, rich detailed --ar 9:16 --quality 2 --raw --stylize 300
7160
Midjourney
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. O texto da figura deve estar na língua portuguesa. REGRA: não fazer texto em inglês
06
Hero
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. Legendas em português
04
Hero
productive photography, translucent bright light green gradation color geometry objet, visible, intricate inner structure, minimalistic, objet stands on photo studio and is illuminated from within, casting a soft glow on the surrounding area, realism lights setting, the bright light green color is vibrant, adding a bold statement to a minimalist setup, realistic, UHD, detailing --chaos 1.5 --ar 9:16 --style raw --stylize 500
8162
Midjourney
photorealism. fiber optic emitter. a beam comes out of the emitter. the beam is reflected from the mirrors and hits the lens. operation of the fiber optic emitter. Concentration of attention on the beam. the beam engraves something on the metal. high quality, high detail, macro photography
085
DreamShaper
A giant, clear prism in outer space with white light entering it on one side and emerging on the other side in multiple colors. The space void is filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
068
FLUX
A beautiful glass stallion In the realm of digital lighting simulation, where algorithms approximate the complex interactions of photons, we encounter the phenomenon of ambient occlusion. Though initially a static texture, it has evolved to dynamically respond to indirect lighting, unfolding a more photorealistic simulation of radiosity within virtual worlds. HDR, 8K
7513
Stable Diffusion
An image depicting a sequential, step-by-step guide to building a simple spectroscope. The first segment showcases a small collection of materials - a shiny CD, a colorful cereal box, a roll of silver duct tape, and a sharp utility knife. In the second segment, a hand is shown using the utility knife to cut an angled slit into the side of the cereal box. The third segment displays the CD being placed at the bottom of the box, shiny side up, facing the slit. The fourth segment shows the cereal box now entirely covered in the silver duct tape, except for the cut slit and a small viewing hole on the side. The final segment portrays a human eye peering through the viewing hole, with a beautiful array of dispersed light colors, like a rainbow, emerging from the slit - illustrating the spectrum of colors.
0107
Openjourney
high resolution photography, front central profile, woman facing front, gaze to front, wearing a white turtleneck sweater, photographed entirely through thick vertically reeded architectural glass, vertical grooves running top to bottom across the entire frame, parallel vertical lines clearly visible, full-frame optical distortion dominating the image, acrylic glass in the foreground textured, realistic physical light refraction warping the profile of the face and upper body into vertical repetitions, subtle light softly radiating from the clothing and gently bleeding into the glass ridges, faint light scattering through the vertical grooves, low-key studio background in pale off-white tones, cool neutral lighting, restrained and minimal, realistic physics --ar 9:16 --raw --stylize 400
1144964
Midjourney Shatter
A giant, clear prism in outer space with white entering it emerging on the other side in multiple colors. The space void filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
081
FLUX
Academic infographic in a scientific and didactic style, with a clean visual style, showing light rays passing through an ophthalmic lens, focus correction, and reduction of optical distortions before reaching the eye. Include labels in Portuguese, light background, high contrast, without childish aesthetics. Captions must be in Portuguese.
010
Hero
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. O texto da figura deve estar na língua portuguesa. REGRA: não fazer texto em inglês
06
Hero
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. Legendas em português
04
Hero
productive photography, translucent bright light green gradation color geometry objet, visible, intricate inner structure, minimalistic, objet stands on photo studio and is illuminated from within, casting a soft glow on the surrounding area, realism lights setting, the bright light green color is vibrant, adding a bold statement to a minimalist setup, realistic, UHD, detailing --chaos 1.5 --ar 9:16 --style raw --stylize 500
8162
Midjourney
A beautiful glass stallion In the realm of digital lighting simulation, where algorithms approximate the complex interactions of photons, we encounter the phenomenon of ambient occlusion. Though initially a static texture, it has evolved to dynamically respond to indirect lighting, unfolding a more photorealistic simulation of radiosity within virtual worlds. HDR, 8K
7513
Stable Diffusion
high resolution photography, front central profile, woman facing front, gaze to front, wearing a white turtleneck sweater, photographed entirely through thick vertically reeded architectural glass, vertical grooves running top to bottom across the entire frame, parallel vertical lines clearly visible, full-frame optical distortion dominating the image, acrylic glass in the foreground textured, realistic physical light refraction warping the profile of the face and upper body into vertical repetitions, subtle light softly radiating from the clothing and gently bleeding into the glass ridges, faint light scattering through the vertical grooves, low-key studio background in pale off-white tones, cool neutral lighting, restrained and minimal, realistic physics --ar 9:16 --raw --stylize 400
1144964
Midjourney Shatter
realistic productive photography, conceptual sunglasses, on reflective sweep, centered vertical alignment, interference lighting with cross polarizers, degree edge highlights, diffused backlight through translucent scrim, prisms for soft caustics, surface finish frosted glossy acetate, graphite to neon pink gradient background, minimalist, rich detailed --ar 9:16 --quality 2 --raw --stylize 300
7160
Midjourney
photorealism. fiber optic emitter. a beam comes out of the emitter. the beam is reflected from the mirrors and hits the lens. operation of the fiber optic emitter. Concentration of attention on the beam. the beam engraves something on the metal. high quality, high detail, macro photography
085
DreamShaper
A giant, clear prism in outer space with white light entering it on one side and emerging on the other side in multiple colors. The space void is filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
068
FLUX
An image depicting a sequential, step-by-step guide to building a simple spectroscope. The first segment showcases a small collection of materials - a shiny CD, a colorful cereal box, a roll of silver duct tape, and a sharp utility knife. In the second segment, a hand is shown using the utility knife to cut an angled slit into the side of the cereal box. The third segment displays the CD being placed at the bottom of the box, shiny side up, facing the slit. The fourth segment shows the cereal box now entirely covered in the silver duct tape, except for the cut slit and a small viewing hole on the side. The final segment portrays a human eye peering through the viewing hole, with a beautiful array of dispersed light colors, like a rainbow, emerging from the slit - illustrating the spectrum of colors.
0107
Openjourney
A giant, clear prism in outer space with white entering it emerging on the other side in multiple colors. The space void filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
081
FLUX
Academic infographic in a scientific and didactic style, with a clean visual style, showing light rays passing through an ophthalmic lens, focus correction, and reduction of optical distortions before reaching the eye. Include labels in Portuguese, light background, high contrast, without childish aesthetics. Captions must be in Portuguese.
010
Hero
realistic productive photography, conceptual sunglasses, on reflective sweep, centered vertical alignment, interference lighting with cross polarizers, degree edge highlights, diffused backlight through translucent scrim, prisms for soft caustics, surface finish frosted glossy acetate, graphite to neon pink gradient background, minimalist, rich detailed --ar 9:16 --quality 2 --raw --stylize 300
7160
Midjourney
A beautiful glass stallion In the realm of digital lighting simulation, where algorithms approximate the complex interactions of photons, we encounter the phenomenon of ambient occlusion. Though initially a static texture, it has evolved to dynamically respond to indirect lighting, unfolding a more photorealistic simulation of radiosity within virtual worlds. HDR, 8K
7513
Stable Diffusion
A giant, clear prism in outer space with white entering it emerging on the other side in multiple colors. The space void filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
081
FLUX
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. Legendas em português
04
Hero
productive photography, translucent bright light green gradation color geometry objet, visible, intricate inner structure, minimalistic, objet stands on photo studio and is illuminated from within, casting a soft glow on the surrounding area, realism lights setting, the bright light green color is vibrant, adding a bold statement to a minimalist setup, realistic, UHD, detailing --chaos 1.5 --ar 9:16 --style raw --stylize 500
8162
Midjourney
photorealism. fiber optic emitter. a beam comes out of the emitter. the beam is reflected from the mirrors and hits the lens. operation of the fiber optic emitter. Concentration of attention on the beam. the beam engraves something on the metal. high quality, high detail, macro photography
085
DreamShaper
An image depicting a sequential, step-by-step guide to building a simple spectroscope. The first segment showcases a small collection of materials - a shiny CD, a colorful cereal box, a roll of silver duct tape, and a sharp utility knife. In the second segment, a hand is shown using the utility knife to cut an angled slit into the side of the cereal box. The third segment displays the CD being placed at the bottom of the box, shiny side up, facing the slit. The fourth segment shows the cereal box now entirely covered in the silver duct tape, except for the cut slit and a small viewing hole on the side. The final segment portrays a human eye peering through the viewing hole, with a beautiful array of dispersed light colors, like a rainbow, emerging from the slit - illustrating the spectrum of colors.
0107
Openjourney
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. O texto da figura deve estar na língua portuguesa. REGRA: não fazer texto em inglês
06
Hero
A giant, clear prism in outer space with white light entering it on one side and emerging on the other side in multiple colors. The space void is filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
068
FLUX
high resolution photography, front central profile, woman facing front, gaze to front, wearing a white turtleneck sweater, photographed entirely through thick vertically reeded architectural glass, vertical grooves running top to bottom across the entire frame, parallel vertical lines clearly visible, full-frame optical distortion dominating the image, acrylic glass in the foreground textured, realistic physical light refraction warping the profile of the face and upper body into vertical repetitions, subtle light softly radiating from the clothing and gently bleeding into the glass ridges, faint light scattering through the vertical grooves, low-key studio background in pale off-white tones, cool neutral lighting, restrained and minimal, realistic physics --ar 9:16 --raw --stylize 400
1144964
Midjourney Shatter
Academic infographic in a scientific and didactic style, with a clean visual style, showing light rays passing through an ophthalmic lens, focus correction, and reduction of optical distortions before reaching the eye. Include labels in Portuguese, light background, high contrast, without childish aesthetics. Captions must be in Portuguese.
010
Hero
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. O texto da figura deve estar na língua portuguesa. REGRA: não fazer texto em inglês
06
Hero
productive photography, translucent bright light green gradation color geometry objet, visible, intricate inner structure, minimalistic, objet stands on photo studio and is illuminated from within, casting a soft glow on the surrounding area, realism lights setting, the bright light green color is vibrant, adding a bold statement to a minimalist setup, realistic, UHD, detailing --chaos 1.5 --ar 9:16 --style raw --stylize 500
8162
Midjourney
A beautiful glass stallion In the realm of digital lighting simulation, where algorithms approximate the complex interactions of photons, we encounter the phenomenon of ambient occlusion. Though initially a static texture, it has evolved to dynamically respond to indirect lighting, unfolding a more photorealistic simulation of radiosity within virtual worlds. HDR, 8K
7513
Stable Diffusion
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. Legendas em português
04
Hero
An image depicting a sequential, step-by-step guide to building a simple spectroscope. The first segment showcases a small collection of materials - a shiny CD, a colorful cereal box, a roll of silver duct tape, and a sharp utility knife. In the second segment, a hand is shown using the utility knife to cut an angled slit into the side of the cereal box. The third segment displays the CD being placed at the bottom of the box, shiny side up, facing the slit. The fourth segment shows the cereal box now entirely covered in the silver duct tape, except for the cut slit and a small viewing hole on the side. The final segment portrays a human eye peering through the viewing hole, with a beautiful array of dispersed light colors, like a rainbow, emerging from the slit - illustrating the spectrum of colors.
0107
Openjourney
high resolution photography, front central profile, woman facing front, gaze to front, wearing a white turtleneck sweater, photographed entirely through thick vertically reeded architectural glass, vertical grooves running top to bottom across the entire frame, parallel vertical lines clearly visible, full-frame optical distortion dominating the image, acrylic glass in the foreground textured, realistic physical light refraction warping the profile of the face and upper body into vertical repetitions, subtle light softly radiating from the clothing and gently bleeding into the glass ridges, faint light scattering through the vertical grooves, low-key studio background in pale off-white tones, cool neutral lighting, restrained and minimal, realistic physics --ar 9:16 --raw --stylize 400
1144964
Midjourney Shatter
A giant, clear prism in outer space with white entering it emerging on the other side in multiple colors. The space void filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
081
FLUX
realistic productive photography, conceptual sunglasses, on reflective sweep, centered vertical alignment, interference lighting with cross polarizers, degree edge highlights, diffused backlight through translucent scrim, prisms for soft caustics, surface finish frosted glossy acetate, graphite to neon pink gradient background, minimalist, rich detailed --ar 9:16 --quality 2 --raw --stylize 300
7160
Midjourney
photorealism. fiber optic emitter. a beam comes out of the emitter. the beam is reflected from the mirrors and hits the lens. operation of the fiber optic emitter. Concentration of attention on the beam. the beam engraves something on the metal. high quality, high detail, macro photography
085
DreamShaper
A giant, clear prism in outer space with white light entering it on one side and emerging on the other side in multiple colors. The space void is filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
068
FLUX
Academic infographic in a scientific and didactic style, with a clean visual style, showing light rays passing through an ophthalmic lens, focus correction, and reduction of optical distortions before reaching the eye. Include labels in Portuguese, light background, high contrast, without childish aesthetics. Captions must be in Portuguese.
010
Hero
productive photography, translucent bright light green gradation color geometry objet, visible, intricate inner structure, minimalistic, objet stands on photo studio and is illuminated from within, casting a soft glow on the surrounding area, realism lights setting, the bright light green color is vibrant, adding a bold statement to a minimalist setup, realistic, UHD, detailing --chaos 1.5 --ar 9:16 --style raw --stylize 500
8162
Midjourney
An image depicting a sequential, step-by-step guide to building a simple spectroscope. The first segment showcases a small collection of materials - a shiny CD, a colorful cereal box, a roll of silver duct tape, and a sharp utility knife. In the second segment, a hand is shown using the utility knife to cut an angled slit into the side of the cereal box. The third segment displays the CD being placed at the bottom of the box, shiny side up, facing the slit. The fourth segment shows the cereal box now entirely covered in the silver duct tape, except for the cut slit and a small viewing hole on the side. The final segment portrays a human eye peering through the viewing hole, with a beautiful array of dispersed light colors, like a rainbow, emerging from the slit - illustrating the spectrum of colors.
0107
Openjourney
realistic productive photography, conceptual sunglasses, on reflective sweep, centered vertical alignment, interference lighting with cross polarizers, degree edge highlights, diffused backlight through translucent scrim, prisms for soft caustics, surface finish frosted glossy acetate, graphite to neon pink gradient background, minimalist, rich detailed --ar 9:16 --quality 2 --raw --stylize 300
7160
Midjourney
A giant, clear prism in outer space with white light entering it on one side and emerging on the other side in multiple colors. The space void is filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
068
FLUX
high resolution photography, front central profile, woman facing front, gaze to front, wearing a white turtleneck sweater, photographed entirely through thick vertically reeded architectural glass, vertical grooves running top to bottom across the entire frame, parallel vertical lines clearly visible, full-frame optical distortion dominating the image, acrylic glass in the foreground textured, realistic physical light refraction warping the profile of the face and upper body into vertical repetitions, subtle light softly radiating from the clothing and gently bleeding into the glass ridges, faint light scattering through the vertical grooves, low-key studio background in pale off-white tones, cool neutral lighting, restrained and minimal, realistic physics --ar 9:16 --raw --stylize 400
1144964
Midjourney Shatter
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. O texto da figura deve estar na língua portuguesa. REGRA: não fazer texto em inglês
06
Hero
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. Legendas em português
04
Hero
A giant, clear prism in outer space with white entering it emerging on the other side in multiple colors. The space void filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
081
FLUX
photorealism. fiber optic emitter. a beam comes out of the emitter. the beam is reflected from the mirrors and hits the lens. operation of the fiber optic emitter. Concentration of attention on the beam. the beam engraves something on the metal. high quality, high detail, macro photography
085
DreamShaper
A beautiful glass stallion In the realm of digital lighting simulation, where algorithms approximate the complex interactions of photons, we encounter the phenomenon of ambient occlusion. Though initially a static texture, it has evolved to dynamically respond to indirect lighting, unfolding a more photorealistic simulation of radiosity within virtual worlds. HDR, 8K
7513
Stable Diffusion
Academic infographic in a scientific and didactic style, with a clean visual style, showing light rays passing through an ophthalmic lens, focus correction, and reduction of optical distortions before reaching the eye. Include labels in Portuguese, light background, high contrast, without childish aesthetics. Captions must be in Portuguese.
010
Hero
realistic productive photography, conceptual sunglasses, on reflective sweep, centered vertical alignment, interference lighting with cross polarizers, degree edge highlights, diffused backlight through translucent scrim, prisms for soft caustics, surface finish frosted glossy acetate, graphite to neon pink gradient background, minimalist, rich detailed --ar 9:16 --quality 2 --raw --stylize 300
7160
Midjourney
A beautiful glass stallion In the realm of digital lighting simulation, where algorithms approximate the complex interactions of photons, we encounter the phenomenon of ambient occlusion. Though initially a static texture, it has evolved to dynamically respond to indirect lighting, unfolding a more photorealistic simulation of radiosity within virtual worlds. HDR, 8K
7513
Stable Diffusion
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. O texto da figura deve estar na língua portuguesa. REGRA: não fazer texto em inglês
06
Hero
Criar Infográfico acadêmico em estilo científico e didático, visual limpo, mostrando raios de luz passando por lente oftálmica, correção do foco e redução de distorções ópticas antes de alcançar o olho. Incluir rótulos em português, fundo claro, alto contraste, sem estética infantil. Legendas em português
04
Hero
photorealism. fiber optic emitter. a beam comes out of the emitter. the beam is reflected from the mirrors and hits the lens. operation of the fiber optic emitter. Concentration of attention on the beam. the beam engraves something on the metal. high quality, high detail, macro photography
085
DreamShaper
high resolution photography, front central profile, woman facing front, gaze to front, wearing a white turtleneck sweater, photographed entirely through thick vertically reeded architectural glass, vertical grooves running top to bottom across the entire frame, parallel vertical lines clearly visible, full-frame optical distortion dominating the image, acrylic glass in the foreground textured, realistic physical light refraction warping the profile of the face and upper body into vertical repetitions, subtle light softly radiating from the clothing and gently bleeding into the glass ridges, faint light scattering through the vertical grooves, low-key studio background in pale off-white tones, cool neutral lighting, restrained and minimal, realistic physics --ar 9:16 --raw --stylize 400
1144964
Midjourney Shatter
A giant, clear prism in outer space with white light entering it on one side and emerging on the other side in multiple colors. The space void is filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
068
FLUX
productive photography, translucent bright light green gradation color geometry objet, visible, intricate inner structure, minimalistic, objet stands on photo studio and is illuminated from within, casting a soft glow on the surrounding area, realism lights setting, the bright light green color is vibrant, adding a bold statement to a minimalist setup, realistic, UHD, detailing --chaos 1.5 --ar 9:16 --style raw --stylize 500
8162
Midjourney
An image depicting a sequential, step-by-step guide to building a simple spectroscope. The first segment showcases a small collection of materials - a shiny CD, a colorful cereal box, a roll of silver duct tape, and a sharp utility knife. In the second segment, a hand is shown using the utility knife to cut an angled slit into the side of the cereal box. The third segment displays the CD being placed at the bottom of the box, shiny side up, facing the slit. The fourth segment shows the cereal box now entirely covered in the silver duct tape, except for the cut slit and a small viewing hole on the side. The final segment portrays a human eye peering through the viewing hole, with a beautiful array of dispersed light colors, like a rainbow, emerging from the slit - illustrating the spectrum of colors.
0107
Openjourney
A giant, clear prism in outer space with white entering it emerging on the other side in multiple colors. The space void filled with numerous stars, bioluminescent creatures, and intricate artwork. The scene is rendered in octane, featuring asymmetrical artwork, cinematic quality, hyper-realism, high detail, and 8k resolution.
081
FLUX