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An object free to vibrate tends to do so at a specific rate called the object's natural, or resonant, frequency.

Screws come in a variety of styles, each designed for a specific purpose. Learn about lag screws in this article.

The Lockheed SR-71 Blackbird is considered the most effective reconnaissance aircraft in history. See specifications for this classic airplane.

What is a compounding pharmacist? Learn how a compounding pharmacist allows a physician to prescribe a very specific medication to a patient.

Outlaw is a custom motorcycle that began as a Triumph Bonneville originally built in the 1970s. See photos and specifications for this chopper.

The Spoon is a custom motorcycle with a Harley-Davidson engine and a rearview video screen. See specifications and pictures of this unusual chopper.

The Cherry Chopper is a custom motorcycle with a stepped seat and straight pipes. See photos and specifications for this Harley-powered chopper.

The Mississippi Queen is a custom motorcycle with a unique suspension system. See photos and specifications for this Harley-Davidson-powered chopper.

Online poker is a popular pastime these days, one that requires a specific strategy to be successful. Learn more about this strategy.

The 1965 Chevrolet Chevelle SS 396 was a muscle car breakthrough for Chevy. Here is a profile of this muscle car, with photos and specifications.

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