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๐Ÿงต Untitled Thread

Anonymous No. 16267104

I know it's completely energy inefficient, but assuming you had (reasonably) free access to the energy grid, what would be the ideal way to artificially illuminate a plant underground so that it grew just as well, or even better than under sunlight?

Anonymous No. 16267529

>>16267104
Just search for "grow lamps". This is a solved problem, you're not breaking any new ground here.

Anonymous No. 16267584

>>16267104
see
>>16267529
LED lights are the best we have currently with a good balance of output and spectrum

Anonymous No. 16267588

also you can use fiber optic cables to make a 'skylight' that takes light from the roof (or whever the sun is) into a windowless basement (or wherever you want the sunlight piped to) with negligible loss of intensity/spectrum

the cables would cost a fortune to do any sizeable area but then you would have free sunlight underground forever

Anonymous No. 16267704

>>16267529
>>16267584
>>16267588
These.

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Anonymous No. 16267707

Metal Halide and High-Pressure Sodium bulbs if you don't care about energy use.

Anonymous No. 16268336

>>16267707
they produce more heat and less light per watt than even an average led light now. also they have a way shittier, more narrow spectrum

i have numerous of all those lights in my house and slowly replaced all hids with leds. no led can match the sheer raw power of a 1000W hps though, i will say that