Other than culinary and medicinal, chile peppers have some uses that are quite interesting. For example, capsaicin is being added to paint for the bottoms of ships to keep them clear of barnacles. Some home uses for chile powder include putting some cayenne in with the bird seed to keep out the squirrels. Birds have an incredible tolerance for pepper heat and the vitamin A improves their plumage.
Cayenne
powder is a handy remedy for pests such as ants. Just line the door jam to keep them out. A good, strong extract brushed on cables and wires will keep rodents from chewing on them. The uses go on and on.
Tidbits
The burning sensation from eating chile peppers is caused by a group of compounds called capsaicinoids. It is often simply called capsaicin. These compounds are concentrated in the white veins in the pepper that hold the seeds. The capsaicinoids in their pure form are a white, crystalline powder highly irritating to skin