noun a tube or optical instrument with mirrors and lenses for viewing objects that are not in the direct line of sight
Periscopes are used in military vehicles and submarines to allow users to see above the surface of the water or over obstacles without exposing themselves.
Periscopes can be used in construction to provide workers with a view of hard-to-reach or hazardous areas without the need for physical access.
Periscopes can be used in astronomy to redirect the path of light entering a telescope, allowing for different viewing angles or to avoid obstructions.
Periscopes are commonly used on submarines and boats to provide a view of the surrounding area while remaining submerged.
Periscopes are sometimes used in entertainment venues or events to provide unique viewing experiences for audiences.
Periscopes can be used in search and rescue operations to safely survey dangerous or inaccessible areas.
Periscopes can be used in science education to demonstrate principles of light reflection and refraction.
A journalist may use a periscope to report live events from a remote location.
The military may use a periscope for surveillance and reconnaissance purposes.
A marine biologist may use a periscope to observe underwater marine life without disturbing the environment.