pros: It gives an eye sight of the past. It will be more fun to see it than to watch about it. You will be encourage to change the future by using knowledge in the past.
Cons: it will boring to just sit and look at a video. Not that many people can see in the dark well, the video might be too blurry.
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Manufacturers make tin foil with aluminum foil. Lmk if that helps
D. Reduces the intensity of a light source
