Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Traffic Booster honks at drivers as soon as the light turns green

The Traffic Booster is a simple little device: a few resistors, some switches, a box with a cheap car horn in it. The schematics are here for easy home replication, dog-eared copy of "The Anarchist Cookbook" not required. But the apocalyptic infuriation it causes is priceless, and if deployed across a city center, the ensuing riots will cause untold millions in damages.

Univeristy honours F1's Flying Scot

FORMULA ONE hero Sir Jackie Stewart will receive an honorary degree today. The 74-year-old racing star will collect the award from Edinburgh Napier University at a ceremony in the city. Known as "The Flying Scot", he won the Grand Prix 27 times and was Formula 1 World Champion three times.

Volkswagen debuts Jetta TDI Value Edition

There was already a lot to like about the diesel Volkswagen Jetta TDI CleanDiesel, most of it having to do with fewer fillups, and so for 2014 Volkswagen is debuting a new Jetta TDI Value Edition that slices more than $2,000 off the price of entry. And speaking of the price of entry, it is now $22,115 for Volkswagen's smallest diesel sedan in the U.S. Yes, it seems Volkswagen has finally created a car for automotive journalists as well as members of the biodiesel-brewing crowd who are tired of fixing old Mercedes-Benz W123 station wagons from the 1970s, though we probably have the diesel Chevrolet Cruze to thank for the appearance of this particular model.