Slashdot linked up news that teenagers parking at "inspiration point" may not like hearing:

Foggy windows and lenses are a nuisance, and in the case of automobile windows, can pose a driving hazard. Now, a group of scientists at the Massachusetts Institute of Technology (MIT) may have found a permanent solution to the problem. The team has developed a unique polymer coating - made of silica nanoparticles - that they say can create surfaces that never fog.

Always more science fiction...