Why do we call it the “American experiment?" This phrase captures the tentative, evolving nature of our democracy, reminding us that what we have built is not guaranteed but continually tested. The ...

NEW YORK, March 13, 2023 — When we look in a mirror, we are used to seeing our faces looking back at us. The reflected images are produced by electromagnetic light waves bouncing off of the mirrored ...

I test a series of light experiments to explore reflection, refraction, and optical illusions, demonstrating how light behaves in surprising and educational ways. Martin Lewis urges households to ...