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| Multidimensional DVDs 
We all know that DVDs work just like a record player except it reads holes or bumps and raised areas with a laser instead of a record needle. If we had a disc and laser reading variations of vibrations of electricity, we then would have unlimited or extremely large amounts of space to put information of movies or computer data on. If the disc was reading electrical signals along with bumps AND dips in grooves we would have two, or more, forms of readable info making it hold more info. It would read the bumps and grooves but, it would read an electrical wobble in it as well.You know how a DVD can skip and you loose the picture? What if it read those skips as vibration information. It would literally tip and read that difference. So we would have a three-dimensional tip and with the electricity storage surface where the bumps and hills are in, the grooves are read as readable variations. Just a slight tip would mean something to the reader of the electrical output. Like a computer hard drive with bumps and grooves. Two or more forms of info. The electricity could be static, wobbles in the DVD, magnetic or, all three with the usual laser read hills and holes as well.Reward: Credit 
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| Digital hand-held nutritional monitor
A portable hand-held device that incorporates a digital bar-code reader, memory for data storage, and usb port could be used with appropriate programming to monitor nutritional intake with real-time convenience. The reader would allow a user to scan the product's bar code for identificantion of the food, and then search its database for "nutrition-fact" data for the product to give a running total of nutritional intake over a day or other time increment.This would require a digital database of packaged foods with their "nutrition facts" on the device, and also ideally easily downloadable updates for users. Periodic updating of the database through the usb port would allow new products to be added or old ones modified. The ability to select generic foods, like fruits, vegetables and meats, easily would be necessary.A desirable feature would be to allow users to program a diet and download it to the device, so that a running total of calories, carbs, proteins, fats, etc. could be maintained through the day, and even suggestions made about foods that would stay within the diet for a given meal. Uploading of actual intake data from day-to-day could be used for longer term assessment and correlations to weight-loss or other health issues like diabetes, or high cholesterol levels.Reward: Healthier people.
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