Tag: heat

Heat is energy transferred from one system to another by thermal interaction. In contrast to work, heat is always accompanied by a transfer of entropy. Heat flow is characteristic of macroscopic objects and systems, but its origin and properties can be understood in terms of their microscopic constituents.
Heat flow from a high to a low temperature body occurs spontaneously. This flow of energy can be harnessed and partially converted into useful work by means of a heat engine. The second law of thermodynamics prohibits heat flow from a low to a high temperature body, but with the aid of a heat pump external work can be used to transport energy from low to the high temperature.
In ordinary language, heat has a diversity of meanings, including temperature. In physics, “heat” is by definition a transfer of energy and is always associated with a process of some kind. “Heat” is used interchangeably with “heat flow” and “heat transfer”. Heat transfer can occur in a variety of ways: by…

NVIDIA GeForce GTX 690 no longer rumours

NVIDIA today announced the GeForce® GTX 690, the world’s fastest consumer graphics card1— with a bold industrial design to match. Powered by dual Kepler™ architecture-based GeForce GPUs, the GTX 690…

VTX3D HD6850 X Edition

VERTEX3D, a new brand of AMD graphics card, today announces an advanced version of the next generation HD6850 graphics: the VTX3D HD6850 X Edition. The X series aims to deliver…

New from ASUS, EAH6800 Series Graphics Cards

Featuring even more processing power than the successful EAH5000 Series of graphics cards, the new ASUS EAH6800 Series continues to serve PC enthusiasts with cutting-edge technology and a range of…

Lian Li casing come with USB 3.0

Lian Li Industrial Co. Ltd. announces the TYR PC-X2000F chassis. The TYR line is designed to stand out in your living room in unmistakable Lian Li style. Taking the original…

Asus Sabertooth 55i motherboard

Newly-developed SABERTOOTH 55i Motherboard Offers Exceptional Utility, Uncompromising Stability, and Unmatched Durability ASUS, the leader in innovative motherboard solutions, today unveiled the first motherboard in its newly-developed “TUF” (The Ultimate…

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