Hank brings us news of the most sensitive digital camera in the universe, poised to help astronomers explain the mystery of why the universe is speeding up instead of slowing down as Einstein's theory of General Relativity would predict.

Terms like megapixel and optical zoom can seem perplexing at first, but these simple steps, like a camera flash, can shed light on the situation.

This video explores the concept of megapixels in digital cameras and introduces a new technology that allows blind individuals to experience photographs through touch. Through tactile relief patterns created from photographs, blind...