I bought a 8.5x11 fresnel recently. On the airthreads thing, I now have several small high voltage power supplies I've acquired from scavenging monitors/scanners. These are used to normally drive small flourescent tubes used to light the monitor/scanner. Do you think they might work for air threads?
-Daniel On May 4, 7:20 am, Jeffrey Melloy <[email protected]> wrote: > Right. I just want something portable. Think backcountry backpacking. > > -Jeff > > On May 4, 2009, at 12:02 AM, William Beaty <[email protected]> wrote: > > > > > On Sun, 3 May 2009, Jeffrey Melloy wrote: > > >> I'd like to figure out a method of cooking with a fresnel lens small > >> enough to fit in a backpack. > > > That would be a solar oven? No lens needed, just an airtight > > foldable box > > with extended metallic reflectors. People have easily boiled water > > with > > versions made of cardboard and foil w/glass front. > > > Fresnel lenses are more like a blowtorch: immense heat over 1cm spot > > size > > >> On Sun, May 3, 2009 at 9:07 PM, William Beaty <[email protected]> > >> wrote: > > >>> On Sun, 3 May 2009, Ryan Reggio wrote: > > >>>> so, here's the idea, any idea, inkling, project, experiment, > >>>> etc. > >>>> you can think of, put here. no idea is too crazy > > >>> Why not build one which can actually create usable parts? Like > >>> the Makerbot CNC, or others? It's not just a demo like the > >>> candyfab, > >>> it's an actual micro-fab machine shop. Use the first one to spit > >>> out > >>> specialized parts to make more of them. See: > > >>> http://www.youtube.com/watch?v=412cDGFZBvc > > >>> Now if you want CRAZY ...then how about some basic science. But > >>> not the > >>> boring conventional kind. Instead, step away from conventional > >>> reality > >>> and temporarily put a stop to our limited mundane expectations. I'm > >>> talking about high voltage crackpot experiments. Real mad > >>> science, like > >>> old B&W science fiction movies. > > >>> For example, I've always wanted to try harnessing the following HV > >>> phenomenon in order to try out some ideas. > > >>> Threadlike streams of "electric wind" > >>> http://amasci.com/freenrg/airthred.html > > >>> Ideas like storing data in a column of empty space, or perhaps > >>> create an > >>> audio delay line, or a burglar alarm (breaking the invisible ion > >>> beam.) > >>> Or perhaps even build an oscilloscope CRT which runs at one > >>> atmosphere, no > >>> vacuum. > > >>> ((( > >>> ((((((((((((((( ( ( ( ( (O) ) ) ) ) ))))))))))))))))))) > >>> William J. Beaty SCIENCE HOBBYIST website > >>> billb at amasci com http://amasci.com > >>> EE/programmer/sci-exhibits amateur science, hobby projects, sci > >>> fair > >>> Seattle, WA 206-762-3818 unusual phenomena, tesla coils, weird > >>> sci > > > (((((((((((((((((( ( ( ( ( (O) ) ) ) ) ))))))))))))))))))) > > William J. Beaty SCIENCE HOBBYIST website > > billb at amasci com http://amasci.com > > EE/programmer/sci-exhibits amateur science, hobby projects, sci fair > > Seattle, WA 206-762-3818 unusual phenomena, tesla coils, weird sci --~--~---------~--~----~------------~-------~--~----~ Website: http://saturdayhouse.org/ Post: [email protected] Unsubscribe: [email protected] -~----------~----~----~----~------~----~------~--~---
