Bumpy Flying

Article Abstract:

Hydrodynamics specialist Frank E. Fish has applied specific characteristics of whale flippers to mechanical aerodynamic designs to improve functional performance. The traits consist of leading-edge tubercles, or evenly spaced bumps, that boost momentum within the fluid flow. Applications include ship rudders, helicopter rotors, and aircraft wings and propellers.

Science & research, Research, Flow (Dynamics), Mechanical properties, Leading edges (Aerodynamics), Fins, Fins (Anatomy), Aerodynamic forces

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Driving the info highway

Article Abstract:

Developments in automotive telematics, or computer-based information for drivers, are discussed. The technology required to equip cars with in-car safety, navigation, communication and entertainment, and the potential for driver distraction, is described.

Usage, Innovations, Wireless communications, Automobiles, Automobile industry, Wireless communication systems, Global Positioning System

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Fuel cell phones

Article Abstract:

Issues are presented concerning the benefits which micro fuel cells have over batteries as a source of energy which is portable. The development of micro fuel cells for third-generation cellular phones is discussed.

Cellular telephones, Wireless telephones, Energy use, Design and construction, Fuel cells

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