How to Make Periscope | Science Project | DIY Periscope
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How to Make Periscope | Science Project | DIY Periscope
In this Project we learn How to Make Periscope. periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. Any one can make this periscope for their science project. This is very easy. Military personnel also use ...
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