Professor Brian Cox: "If there were an afterlife I would have to reconsider the engineering design of fridges with a very critical eye" The field of cessation thermodynamics considers how the hereafter might be powered - probably without 21 grams of human soul - and whether this may mean hell will freeze over. [more inside]
iHitch is to hitchhiking that CouchSurfing is to hotels. iHitch is just an idea, but key technologies (GPS phones, GPS in cars, Web2.0) are coming available in critical mass that could transform 'hitchhiking' into a mainstream, safe, reliable and cheap form of transportation. Some metro area carpool websites have already successfully started down this road.
In a few areas, like Washington, D.C. and the East Bay, lone motorists can pick up anonymous "slugs" to take advantage of carpool lanes. Ettiquete and rules have evolved to keep the peace between you and your anonymous carpooler.
Hybrid cars. Car owners in the north Virginia area are apparently stocking up on hybrid cars - so much so that they are clogging up the carpool lanes they're allowed to use under state law. I can't believe they're doing it just to get a better lane, considering the purchase price on the vehicles.