👉 Light particles, or photons, are fundamental to our understanding of the universe, embodying both energy and momentum. These particles, which are massless and travel at the speed of light, are the primary carriers of electromagnetic radiation, including visible light, ultraviolet, and X-rays. Their worth lies in their role as the building blocks of light, enabling us to perceive the world around us through sight. Photons not only facilitate our sensory experiences but also underpin numerous technological advancements, from solar energy to fiber optics and medical imaging. On a deeper level, the study of light particles has profound implications for physics, particularly in quantum mechanics and relativity, where they challenge our classical notions of space, time, and matter. Thus, photons are not just particles; they are keys to unlocking the mysteries of the cosmos and driving innovation in science and technology.