I am the first one who should by these kind of tires, because my spare tire has been flat for weeks now and I didn’t fix it yet.
For years, tires manufactures trying to create tires that don’t go flat and would be impossible to puncture. The first company to design the tire was michelin tweel, But they didn’t put it for production yet. However, a company called resilient technologies created a prototype of their honeycomb-like tires and will be ready in 2011. Here are some images:
