Illustrating the angles subtended at the eye by one lamp and the image of the other as seen in the mirror.
The nature of light and how it is affected by gravity is discussed.
The journey to successful photography in the dark.
Birdsong can be used to provide an alternative approach to teaching concepts such as pitch, frequency and amplitude as well as graph drawing skills
James de Winter
Working with the world's very best wildlife environmental filmmakers, photographers, conservationists and scientists, ARKive is creating the u