1 Light Files

A share-a-thon is a place where teachers can voluntarily upload their files for other teachers to use. When a teacher submits a file, it is catalogued and placed into a database. To view more materials from the topic above or from different branches of science click here.

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Seeing in the Dark
A misconception of many students is that they can see in the dark. This is a simple series of graphics to show why it is impossible to see in total darkness.

     
     

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