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McLaren P1 concept

The McLaren P1 concept – the company's flagship hypercar model – will make its world debut at the Paris motor show next week ahead of the production model some time next year. These first images reveal an exterior that's more expressive in its surfacing and graphics than the existing MP4-12C, with a particular motif made of McLaren's 'tick' logo through the DRG. Its bodywork also appears to be layered over the underlying carbon structure that appears around the nose, rear and door panel, which hint at the diagonal bar that ran through the F1's doors, although here it dives downwards rather than creating a wedge.

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.

Lexus LF-LC Blue concept unveiled in Australia

Lexus has unveiled a new take on the LF-LC concept—dubbed the LF-LC Blue—at the Australian motor show. The LF-LC Blue builds on the dramatic LF-LC coupe concept that debuted at the 2012 Detroit auto show, featuring the same wildly sculpted aluminum and carbon-fiber body. Lexus is calling concept's color Opal blue, a reference to the iridescent gemstones found in Australia.