I have no idea. I think it was on Fark or /. or reddit or one of those places.
http://blog.wired.com/tableofmalcont...a_better_.html
I just thought it was hilarious someone would do that. I don't think it's a very viable thing to do and I don't think it improves the quality of life of the fish like the guy says, but if it's for real then it's just an interesting technical challenge.
If I build one of these tubes from my basement up to my living room, I don't really think I'd see my tang come up to tell me it's feeding time.
