MAGNETIC FIELD

SURABAYA, 8/6 - TECHNOLOGY CONTEST. Reynaldo (11), a student from Muhammadiyah 4 Pucang Elementary School, Surabaya, demonstrates his device during the 2007 Simple Technology Invention Contest in Surabaya, June 8, 2007. The device, a magnetic field detector (APMM), made Reynaldo won the contest.FOTO:ANTARA/Eric Ireng/nz/ox/07.

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