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Has anyone used residues to calculate the Laurent expansion of the ordinary generating function for the Chebyshev polynomials of the first kind to find an explicit expression for the Chebyshev polynomials? I did it once and found one and it was correct in magnitude but the signs were wrong like...

Has anyone used a pc power supply and boost converters? I have high quality pc power supplies I adapted for use as bench power supplies. 12V boost converters are inexpensive roughly $5 for 150W. One supply I could use has 4 18A 12V rails for a total of 680W. PC heat sinks with with fans are...

I'm growing indoors for the first time under intense lights and I just dried a few leaves (harborside critical kush) 5 weeks into veg and the taste is very good, not at all harsh. I smoke wax so I'm surprised that I had a definite buzz from a few hits. Not unusual I'd guess.

This probably isn't the place for lucid dreaming solely so I thought I'd ask if anyone is a frequent lucid dreamer and are the subjective impressions of flow in a 3D game similar to the altered state in lucid dreaming. Superficially immersion in a 3D photo-realistic space is similar to...

Has anybody used topical cannabis for neuropathic pain? I take neurontin, amitriptyline, oxycodone and I smoke cannabis plus wax and use edibles but the pain is very difficult to reduce by greater than 50% Is topical thc useful? Smoking and eating cannabis help incrementally so I think maybe...

Does anybody build their own gaming computers here? I have an older system with a good 2k graphics card: ASUS Formula VI MB 32 GB 2400 [email protected] GHz on air GTX 1070 1440p 4ms IPS 25" Logitech Z5500 Logitech Sound Blaster Z 1 TB SSD 7 HDD 2 Optical Seasonic 1050W Full Tower

Hey everyone, I have a 2'x4'x5' tent with 2 viparspectra 300W with true 272W for the 2 combined. I'm looking for a 3rd light for flowering, my budget is low for the grow in this tent so the limit is about $100 for a new light. I have an electrical engineering background so for my second 2x4...