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Transportation's Perennial Problems

By W. Wayt Gibbs

The Past and Future of Global Mobility

With growing wealth, people everywhere travel farther and faster. That trend inevitably brings a shift in the dominant transportation technologies

By Andreas Schafer and David Victor

13 Vehicles that went Nowhere

By John Rennie

Hybrid Electric Vehicles

They will reduce pollution and conserve petroleum. But will people buy them, even if the vehicles have astounding fuel efficiency?

By Victor Wouk

Flywheels in Hybrid Vehicles

A rapidly spinning flywheel combines with a gas-turbine engine to power a novel hybrid electric vehicle

By Deborah R. Castleman and Harold A. Rosen

Automated Highways

Cars that drive themselves in tight formation might alleviate the congestion now plaguing urban freeways

By James H. Rillings

Unjamming Traffic with Computers

Insights gleaned from realistic simulations are already moving from computer screens to asphalt

By Kenneth R. Howard

Now that Travel can be Virtual, will Congestion Virtually Disappear?

By Patricia L. Mokhtarian

Speed versus Need

By Kristin Leutwyler

How High-Speed Trains Make Tracks

In Europe and Japan, train manufacturers are gearing up to achieve ultrafast speeds routinely, without relying on levitation

By Jean-Claude Raoul

Fast Trains: Why the U.S. Lags

The reasons are more political than technological

By Anthony Perl and James A. Dunn Jr.

Maglev: Racing to Oblivion?

By Gary Stix

Straight up into the Blue

Tiltrotors, which take off like a helicopter but fly like an airplane, will soon make their military debut. Can civilian applications be far behind?

By Hans Mark

The Lure of Icarus

With new designs and materials, human-powered fliers challenge the distance record

By Shawn Carlson

A Simpler Ride into Space

Technological advances may allow rockets of the next century to operate much as aircraft do today. That change might cut the cost of reaching orbit by 10-fold

By T. K. Mattingly

Faster Ships for the Future

New designs for oceangoing freighter may soon double their speeds

By David L. Giles

Microsubs go to Sea

Small, maneuverable, self-contained--these tiny submersibles may someday take a human to the bottom of the sea

By Graham S. Hawkes

Elevators on the Move

Elevator technology is taking off in new directions, including sideways

By Miriam Lacob


  • From the Editor

    The Way to Go

  • Letters

    Letters to the Editors, October 1997

  • Recommended

    Queer Science Indeed

  • Clean Genes

  • 50, 100 & 150 Years Ago

    50, 100 and 150 Years Ago: Synthetic Quartz, Arctic Research and Thermal Telescope

  • Wonders


  • In Brief

    In Brief, October 1997

  • Profile

    Gombe's Famous Primate

  • Mathematical Recreation

    Two-Way Jigsaw Puzzles

  • Amateur Scientist

    Recording the Sounds of Life

  • Science and the Citizen

    The Next Hop

  • Field and Stream

  • Gotta Know when to Fold 'em

  • Science in Court

  • What are they Thinking?

  • Matter Over Mind

  • He Shoots, He Scars

  • By the Numbers

    Chronic Obstructive Pulmonary Disease

  • Working Knowledge

    Fish Ladders--Working Knowledge

  • Connections

    The Buck Stops Here

  • Cyber View

    Master of your Domain

  • Technology and Business

    Heavy Metal Meets its Match

  • Change in the Wind

  • Charging to Market

  • A Sense of Synesthesia

  • In Focus

    Growing a New Field

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