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The MIT IDEAS Competition, sponsored by the Public Service Center and the Edgerton Center, encourages innovations that benefit communities worldwide. Lists of winning team members do not include those who are not from MIT. For more information, see

Chlorination in Honduras--a system that automatically adjusts the chlorination concentration of water to its flow rate to ensure safe drinking water for a village in Bonito Oriental, Honduras

Will DelHagen G, EECS, Manhattan Beach, Calif.

Marta Fernandez Suarez G, chemistry, Oviedo, Spain

Jamie Fleischfresser '05, environmental engineering, Bainbridge Island, Wash.

Guy Hoffman G, media arts and sciences, Tel Aviv

Ran Tao '04, EECS, St. Paul, Minn.

Test Water Cheap--a device to allow communities in developing regions to test water quality frequently and cost-effectively

Juhi Chandalia G, physics, Cheshire, Conn.

Brittany Coulbert G, CEE, Seattle

Philip Hou '04, management, Los Angeles

Parabolic Power--an improved design for a modular core unit that concentrates solar energy using a reflective parabolic trough for use in rural Lesotho

Matthew Orosz G, Technology and Policy Program, Bridgewater, Mass.

Daniel Ramage '04, computer science and mathematics, Westfield, N.J.

Michael Yates '04, economics, Dhahran, Saudi Arabia

Sistema de Alerta Temprana--an automated early-warning system for floods for use in the Rio Aguan Basin area in Honduras

Elizabeth Basha G, EECS, Woodland, Calif.

Emma Brunskill G, EECS, Seattle

Vanessa Hsu Chen '04, electrical engineering, San Jose, Costa Rica

Victor Grau-Serrat, a consultant from Barcelona, Spain

Speakeasy--a community-based telephone referral service that allows immigrants to connect with volunteer translators and social services

Tad Hirsch G, media arts and sciences, Boston

WearAnEye--a real-time, portable system that uses computer vision technology to help blind or visually impaired pedestrians cross streets

Meg Aycinena G, EECS, San Mateo, Calif.

Sam Davies G, EECS, Tenafly, N.J.

Michael Ross G, EECS, Somerville, Mass.

Professor Leslie Kaelbling of EECS

Professor Tomas Lozano-Perez of EECS

Kevin Murphy, a postdoctoral associate in CSAIL

A version of this article appeared in MIT Tech Talk on June 2, 2004 (download PDF).

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