I test a series of light experiments to explore reflection, refraction, and optical illusions, demonstrating how light behaves in surprising and educational ways. India-Bangladesh ties hit new low: ...
Explains the concept of light traveling in straight lines and demonstrates this through various experiments. It shows how light can be observed through holes in cards, how it behaves in a lightproof ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
反馈