I'll try to find out Benny. He bought the house 6-7 yrs ago & they came w/ it, in the walls. You got me going now on speakers. I have 2 other sets besides what's on the wall. I will hook up wiring to them & try them out & tell you which I think is best. I bet the smaller ones are the best. One set (on wall) is panasonic, 2 smaller (in size) are pioneer & the 5" x5" (half size of pioneer) is Clarion. The last two are both 3 way, 20 impedance & 60 watt and they sounded great in my old cars. You don't have to spend big bucks for good speakers these days. Will be busy tomorrow but you got me going on trying out these speakers & I'll let you know! I'll send you pics too if you want ( your email addy). Patty

While aluminum is more reflective than white--that is, it has a higher albedo than white, which is about 0.9 vs. 0.04 for black--it is color and scent that attracts the bee. Like other nectar feeding insects, bees have vision that is skewed towards the ultraviolet (invisible to humans) range, plus white, yellows and blues. If you look closely at the coloration of crocus flower petals, you will notice the colors tend to be strongest at the tips, and then streak inwards toward the center of the flower. Viewed in ultraviolet light, these colors will fluoresce--and each flower petal will look exactly like an airport landing strip at evening, with landing strip lights along the edge and center.... Compare that to what aluminum foil looks like under ultraviolet light and you will see an immediate difference. The flowers are signaling the bees in a visual language the bees can clearly understand, while the aluminum foil will not. The best thing to do is to go out and buy as many crocus and cold-weather flowers you can afford and plant them in your yard. The bees will thank you!

Oh, man. This is all making me so sad. The whole reason we got two new sun tubes in the living room was to pull in full spectrum light, but now I find that in order to counter the blue cast from these things, I might have to add more cast. What I will say is that if your have the 14" sun tunnels from Velux, they sell a "neutral light" filter that is spec'd at around 3600K, so, not sure how that compares to using a theater gel, but it might work for some people, and you don't have to cut it yourself. For my purposes, I am going to have to do some other experimenting, because I need more of the spectrum, not less of it (for me to do artwork, but also my plants). If anyone has been able to track down the source of the bluing (is it the diffuser, or the inside of the tube, or possibly the dome on top?), that would be a huge help. Of course, I will check for the blue film! Thank you all! Addendum: I just took the diffuser out and looked at the light coming in, and it is definitely not the diffuser causing the bluing, nor is there a film in there. It's the top dome I think. I conveniently have an older sun tube in my bathroom that does not do the bluing thing, and it also does not have a tinted dome on top, so that seems like the main difference between them. Now I am wondering if the dome can be replaced maybe with something not tinted...

Having it re-silvered over the painted flowers seems overkill, especially since I want to keep it outside in the elements. I asked at Jo-Ann's and the hardware store. The former couldn't think of anything, and the later just suggested the chrome spray paint. What I may do is cut a length of acylic mirror and set that behind the painted glass, up agasint the fence.