MIT Lincoln Laboratory offers the Lincoln Laboratory Radar Introduction for Student Engineers (LLRISE), a free, two-week summer workshop for 18 rising high-school seniors to build small radar systems.  It will be held at Lincoln Laboratories in Lexington, MA, July 9-22.  Applications must be printed and postmarked (or completed online) by March 31.  Transcripts, standardized test scores, and two teacher recommendations are due April 7. For more information, contact LLRISE@LL.mit.edu.