Cancer can be prevented, or at least minimized, for those working in sites with high risk to radiation posioning or pollution. A small device like a fountain pen, which detects radiation aldready exists. However, what we need is a small device that detects radiation and pollution and whose information (like site location and type of poisioning) via chip can be uploaded onto the internet. This could warn those entering high risk cancer sites of the level or radiation or pollution, because these two things are detrements to cancer. Then, users can use the internet to surf for the level of intoxitants in the area they are about to enter.