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kinda only have $1k to play with, unless i can make something worth selling. anything get you guys geeked? something you'd make with a more substantial budget? dreams are practical enough sometimes :) oh, and thoughts on what to do with a friend's 120 kv transformer?

kinda not a tech, & wanting thoughts from a science geek :) 1. whats the largest parabolic lens that could be made with water/ice 2. is it possible to condense light from a large mass of mylar mirrors, into something like a single beam of light/aiming the light over long distances? kinda...