For today's column, I'm building on previous discussions of botanical photography and incorporating new techniques that are still attainable with common household objects. Last month, I had intended ...

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 ...

Explores the principles of light, reflection, and magnification through hands-on experiments. Children observe how a magnifying glass focuses sunlight to create heat, examine the effects of light on ...