105 results found displaying 61-63
   
bdklahn
 USA
Non-GPS-based, computer interfaced, in home, cat tracker Printer Friendly Version
I saw the GPS-based doggy locator system post. Has anyone done this one? Use one or three (triangulation) in-home reciever/transmitters (maybe paintable, to blend into corners of ceiling) to track and record the exact location of your cat(s), while in the house (or any location in the range)? It seems like it wouldn't necessarily need a really high-power or sophisticated transmitter/receiver. . . I would've used this when we trained our second cat to use the toilet. She would occasionally use a few, favorite areas when she forgot about using the toilet. We didn't want to (but did) have to cover up or otherwise use physical blockades and clutter up our, already small, place.
The system would set off an audible command from a stereo (or shock on collar, or have small, portable, remote water squirt/sprayers, -whatever) when the pet is in a pre-programmed, discretely defined, off-limits areas. It could be linked to your PC and use a program that knows the boundaries of your home (area, whatever). You'd first take the collar around these boundaries of your place so the computer program could learn/outline the volume of range. Then you could go around and set "NO!" zones (our cats know what "NO!" and "Good Kitty" means). One could change the location and size of "NO!" zones from the computer, without moving obstacles. One could also record where the kitties have been while you are gone or where they are now, if they like to hide and sleep. It seems like having three, inexpensive reciever/transmitters would allow for realiability as well as pinpoint locating - to keep cats off vertically different surfaces like the counters, away from small "visited" spots on the carpet (cats can detect even well-cleaned areas), while allowing them freedom to roam anywhere else.
Reward: Joy of seeing a low-cost system developed and work, and maybe get a free one and/or whatever the developer sees as fair.
 

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Maira
 Pakistan
Want to have more "room" in your room? Printer Friendly Version
When some friends comes in to your house, don't you want them to say "Wow! You have an organized clean room!"? Well, now if your closet is always throwing up clothes out of it and you dont want anyone seeing how unorganized and/or lazy you are, you can use this advice:
Have a closet that would actually push into your wall and a door would cover it like there's nothing there! To get the closet out, there would be wheels under it. It wouldn't show if your closet is just a blast. Then your mom doesn't have to worry about yelling at you to clean your room and you don't have to worry about cleaning it.
Reward: Have a closet like that in my room, perhaps?
 

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srhanna
 USA
Modular power generation. Printer Friendly Version
This idea is based on very old tried and true principles of physics. Hydroelectric power has been around for a long time. The man who invented the modern world, Nicola Tesla, also invented a very novel turbine. Imagine the average home owner putting a large low slung water tank on top of their house. A 2 inch ID pipe descends 8 feet into a Tesla Turbine. The Tesla Turbine outlet goes into another tank. At the top of the upper tank is a sensor that turns the water valve to open. At a point lower is a sensor to turn the valve closed. Elevated water = energy. The Home owner invests enough money to trickle charge the system at first. A small pump powered by some solar cells will pump water back to the top tank. The generator will only run when the upper tank is full and turns off when there is insufficient water pressure. This won't run continuously at first but it will run a meter backwards enough times during the month to save a significant portion of money on electricity. The savings can be applied to more water pumping devices. I have a slew of ideas for those. Stirling engines powered by parabolic mirrors, bales of hay, the difference in temperature between ambient and 6 ft under, etc. Make the devices modular and readily addable. Over time, by adding pump modules to the system, the home owner will have continuous free power. Since this technology does not depend on expensive batteries or fuel cells it is cheap enough for most people to afford readily without loans. Because it is modular it is feasible to be done by most home owners in the developed world.
Reward: Continuous free power. What more can one ask for? Ok, I would like a job in the industry created. That would be great!
 

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31°

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