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For questions concerning electromagnetic radiation in the visible spectrum.
12
votes
How much light is too much?
$$M = \frac{c^2}{2G}R_s$$
But your amulet produces light not mass. … But, taking into account that light moves very fast, you should rather produce that output in a single burst of light instead of over a single second. Otherwise, you will need better maths. …
47
votes
Accepted
What light colors/bulbs should be used inside a spaceship?
light bulbs averaging about 2.2%. … From this list you can see very good candidates:
Fluorescent lamps (average light but very durable);
Sodium vapour lamp (above average light and quite durable);
And LED lamp (very high light and a bit …