The film demonstrates the principles of optics, particularly how light behaves and interacts with objects. It explains that light travels in straight lines, which is evident in the formation of sharp ...

Images of the sun become more focused and change shape during a solar eclipse (Copyright KSAT 2023 - All rights reserved) It’s one of the most fascinating things ...

Did you know that Venus is bright enough to cast a shadow? See it for yourself the next clear morning. This is a time exposure made on Sept. 14 at dawn showing my shadow and the camera/tripod shadow ...