A presenter selects multimedia materials primarily based on their ability to emphasize a point.
You could learn C++ and use the Open GL library. Open GL is a library designed to make 2D and 3D applications. And use another library called <span>Simple and Fast Multimedia Library</span> to create the window itself.
There are multiple tutorials that teach C++ and OpenGL. There are other graphics libraries, but Open GL is the most popular.
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Gamma rays are not used for communication.
-- We have no safe way to generate them.
-- We have no cheap way to detect them.
-- We have no way to impress information on them (modulate them).
-- They're dangerous.
Otherwise they're ideal for communication.
