free battery
71Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
72Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …
73Dell Vostro — is a line of computers from Dell aimed at the small business market. Prior to Vostro, Dell s home and small business computers were sold under the same lines: Dimension for home and small business desktops, and Inspiron for home and small… …
74iOS version history — Contents 1 Overview 2 Versions 2.1 Unreleased versions …
75Carbon nanotube — Not to be confused with Carbon fiber. Part of a series of articles on Nanomaterials Fullerenes …
76Plug-in hybrid — The Chevrolet Volt is the first mass production plug in hybrid available in the United States. A plug in hybrid electric vehicle (PHEV), plug in hybrid vehicle (PHV), or plug in hybrid is a hybrid vehicle which utilizes rechargeable batteries, or …
77Hearing aid — Behind the ear aid In the ear aid …
78Nokia N900 — Manufacturer Nokia Release date November 11, 2009 (2009 11 11) Media microSD …
79Cathode — Diagram of a copper cathode in a galvanic cell (e.g., a battery). A positive current i flows out of the cathode (CCD mnemonic: Cathode Current Departs). A cathode is an electrode through which electric current flows out of a polarized electrical… …
80iPod Touch — Black 4th generation iPod Touch Developer Apple Inc …
