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“A child’s eyes open, and light floods in.”
Light is one of the most important parts of our lives, through which we perceive the universe around us. L. Riofrio worked as a scientist at NASA in Houston. While studying the Moon at Johnson Space Center, Riofrio found evidence that light is slowing down. In evocative and easy-to-read prose, Riofrio describes the history of light, starting with a child’s eyes opening. The book contains just one equation!
https://www.amazon.com/Speed-Light-L-Riofrio-ebook/dp/B00L3WYD7ABPlZTF6TGO0g58QgcgsxA/join