What you need:
How to make the periscope:
two mirrors parallel to each other but at 45 degrees to the axis of a tube connecting them. Cut entry and exit holes in the tube to be able to see through.
See image under Sources and related links below:
periscope costs a lot of money ok ya boy
because it is
With mirrors. A simple periscope can be constructed out of a vertical tube with mirrors placed at a 45-degree angle at the top and bottom of the tube.
look through it. that usually works.
The periscope of a submarine is located in the sail, also known as the conning tower. This structure is situated above the main hull and contains various equipment, including the periscope, which allows submariners to observe the surface while the submarine remains submerged.
The periscope has a reflector to make the light turn corners
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by sunlight maybe??
A light bulb.
2.
well there really is no antonym that i know of for periscope because a periscope is an object.
someone discovered the periscope
a diagram of a periscope
The periscope was invented in 1450 by Johann Gutenberg
The periscope was invented in 1450 by Johann Gutenberg.
No
Periscope Life was created in 1980.