The drive features high-speed USB 3.0 and FireWire, and has a built-in heat sink to silently dissipate heat.

ENGADGET: G-Technology kicks out USB 3.0 G-Drives for Macs, keeps your Retina MacBook Pro well-fed

It has to dissipate heat -- in the case of a Pentium II running at 333 megahertz, at a rate of 24 watts.

FORBES: It's all in the packaging

The Bolt's thin chassis is designed to effectively dissipate heat allowing it to house the latest and fastest components on the market, bucking the trend of sacrificing performance for a smaller footprint.

ENGADGET: Digital Storm Bolt stuffs full-power graphics into a mini gaming desktop, stretches laws of physics

The bulk of the case is cast from a single piece of aluminum, and those fins, which have enough room between them for air to circulate, dissipate heat so that a noisy fan isn't required.

WSJ: A Hard Drive With Quiet Style | Geek Chic

Thanks in part to ideas born at dB Drag events, the acoustic power of car stereo speakers has increased tenfold in the last ten years, from a maximum of 500 watts per square meter to 5, 000. (A loudspeaker at a rock concert puts out 2, 500 to 3, 000 watts.) Pioneer learned from dB Dragsters to cover speaker coils with ceramics to dissipate heat.

FORBES: Magazine Article

The brakes also serve to send energy to the batteries, recapturing energy from friction and regenerating electricity, rather than allowing the energy to dissipate as heat.

FORBES: 2013 Ford Fusion Energi Test Drive And Review: Plug It In And Go

Steve Jobs insisted, as he had done with the Apple II and later with the Macintosh, that the Apple III not contain a fan to dissipate the heat generated from its densely packed components.

FORBES: Apple & The Halo Effect: Eight Valuable Team Practices