A concave mirror reflects a real, inverted image of a light bulb filament onto the wall. Covering parts of the filament or mirror with an index card illustrates the nature of image formation under a ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Often called the ...
Scientists have long debated whether Greek scientist Archimedes could have destroyed enemy ships by redirecting sunlight. Brenden Sener, 13, tested it for a school science fair project. The year is ...
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