Trip for Science Students. An ingenious Woburn High School student, Robert K. Abbott of 27 Arlington Rd., Woburn, who has designed and partially built a computer with 54 relays and 17 diodes, is one of 10 students participating in Boston Edison's delegation to the 1965 National Youth Conference on the Atom being held Dec. 9-11 in Chicago. Other participants include a Dorchester student who demonstrated the effects of alcohol on cactus plants and a Somerville student who developed a weather station capable of double checking on the accuracy of instrument recordings. They, their science teachers and two representatives of Boston Edison will join some 600 students and teachers from throughout the nation at the conference. Besides Abbott and his science teacher, John J. Sonner of 47 Madison Ave., Cambridge, other conference participants will include Frederick Rackmill of Somerville High and his teacher, Joseph E. Beaver; John Tomb of Newton High and instructor D. Montgomery Wells; students Kevin C. Kennedy and Joseph F. Pilato of Christopher Columbus High and their teacher, Rev. Donald D'Ippolito, O.F.M.; students Dennis J. Arinella and Dennis Umbro from East Boston High and teacher, Douglas C. Foster; James E. Cray of Walpole High and teacher, Thomas J. Brown; Eliot S, Prentice from Acton-Boxboro Regional High and science department head James C. Dadoly and Lee Kankanpaa of Maynard High with instructor Neil F. Lewis.