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Ecobloggers bring the landfill home

An earlier version of this story misstated the amount of plastic trash Beth Terry accumulates and weighs, and the frequency with which she does so. Terry weighs her plastic trash, which averages about 20 items totaling less than an ounce, each week.

Click here for the updated story and here for the updated gallery.

Nvidia to acquire Ageia for the PhysX chip

This story misstated the role of Ageia's PhysX technology in the three major gaming consoles: the Xbox 360, the Playstation 3, and the Wii. Ageia's PhysX chips are found only in PCs and as add-on cards, but the company makes software that helps developers create special effects in games made for the gaming consoles. Read the updated story here.

Nikon shows perspective-correction lens prototypes

LAS VEGAS--Nikon just introduced a 24mm "perspective correction" lens, but the camera maker also showed off two new prototypes of the same ilk.

As promised last week, Nikon showed off a new PC-E Nikkor 45mm f/2.8D ED at the Photo Marketing Association trade show here. Also under a glass booth was the PC-E Micro-Nikkor 85mm f/2.8D.

Note that the latter model lacks the "ED" suffix that indicates extra-low dispersion glass used to maximize sharpness and minimize chromatic aberration. Nikon last week employed the ED suffix in describing the lens, but there was … Read more