Develop a home recycler which will take all of your recyclable material and crush, grind, reduce, compact and store the material until you are ready to dispose of. I suggest the following criteria: - Items to dispose of - wood, plastic, glass, metals - Must be a system inexpensive enough for the average home - Must be easy to operate and by one person - End product must be ready to dispose of, preferably able to sell the product to local recycling establishment.

The problem to be solved: There are a lot of places where people are supposed not to smoke, e.g. public transportation, McDonalds, cinemas, shopping malls, public toilets, etc. However, there are always smokers they are nuts and do not respect other people's right at all. They simply ignore the rules and keep smoking. For the time being, there is not much we (people don't like passive smoking or don't like the smell) can do. These few culprits smokers can also cause a lot of damages, e.g....

There are many reasons that people pollute so badly but one is sure just lack of perception. Your garbage seems simply to disappear. So, here's the deal. Inside every TV is a mandatory chip that displays an image of the garbage that you produce. At first, it obscures a small part of your TV screen, but over time, more and more is obscured. If you produce less garbage, the TV becomes obscured less quickly. To reduce the garbage, you may perform certain acts such as planting a tree. You...

The air purifier bike concept will let riders clean the air as they ride by filtering out pollutants and creating oxygen. The concept bike will be equipped with an air filter between the handle bars that will screen pollutants and dust and an oxygen-producing "photosynthesis system" that will include a water tank, electric motor and a battery. As the bike is being ridden, air will be forced through the filter and cleaned, allowing fresh air to flow onto the cyclist. The...