WASHINGTON--(BUSINESS WIRE)--This week, a group of young scientists and innovators from across the United States will travel to Washington, D.C., as Toshiba and the National Science Teachers Association (NSTA) celebrate their inventive ideas for future technologies during the 23rd annual Toshiba/NSTA ExploraVision awards weekend. On Thursday, June 4, the eight national winners of the world’s largest K-12 student science competition will visit Capitol Hill to meet with members of Congress and th