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The element that is commonly used in light bulbs is Tungsten. Tungsten is a chemical element with the atomic number 74, and it is a dense, hard, and rare metal that is used in the production of electrical wires, filaments, and electrodes. Tungsten has the highest melting point of all metals and the second-highest melting point of all elements, surpassed only by carbon.

Albert Einstein, a German-born physicist, developed the theory of relativity, which revolutionized the understanding of space, time, and gravity. His equation, E=mc², is one of the most famous equations in science.

Wolffia is the world's smallest flowering plant, with some species measuring only 0.3 millimeters (0.01 inches) in diameter.

Tequila is made from the blue agave plant, which is native to Mexico. The plant's core is harvested and cooked to extract its juice, which is then fermented and distilled to make tequila.

Mars is often referred to as the "Red Planet" due to its reddish appearance, caused by iron oxide (rust) on its surface.