The Swach's cartridge, a key component of the system, resembles Edison's electric bulb and is made up of a composite of rice-husk ash (a highly porous material derived out of paddy husk) and fine particles of nano-silver, which inhibits bacteria growth.

WSJ: Tata Markets Inexpensive Water Filter

It has a build somewhere in-between the plastic-ish Voodoo Envy 133 and the rock-solid ThinkPad X300, though probably closer to the latter, and the sheen of Silver Nano Technology on the technology saves us from bacteria but adds a slightly cheap flavor to the keyboard.

ENGADGET: Samsung X360 handled, fights MacBook Air to the death

The iPod nano, he notes, is now offered in pink, yellow, blue, green, purple, silver and slate.

FORBES: Apple Plans iPhones In More Sizes, More Colors, Analyst Says