well it is very good for them
A periscope will let you see up and over the crowd which lets you see the game.
To help see an object behind an obstacle.
Periscopes typically use a combination of lenses, including prisms, to help redirect and magnify light entering the periscope. These lenses work together to ensure that the image transmitted through the periscope remains clear and focused for the viewer.
A periscope uses a system of mirrors to redirect and magnify light, allowing you to see objects that are not in your direct line of sight. By using a periscope, you can see closer to objects that may be obstructed or located at a higher vantage point.
Prism is simply one of those issues that is important, that involves knowledgeable help about
a diagram of a periscope
someone discovered the periscope
A periscope typically uses a system of lenses and mirrors to allow people to view objects from a concealed position. The primary lenses used in a periscope are usually simple lenses or lens systems that help to gather and focus light from the outside environment into the periscope tube for viewing.
well there really is no antonym that i know of for periscope because a periscope is an object.
a periscope
The periscope was invented in 1450 by Johann Gutenberg
Periscope Life was created in 1980.