About 400 elementary- and middle-school students taking part in the Shenendehowa Inventors program will display their inventions at the former Cotton Market store at Clifton Park Center from 10 a.m. to 4 p.m. Saturday.
Peng Lim, president and chief executive officer of MTI Micro Fuel Cells in Albany, holds a GPS prototype Thursday that has had the battery replaced with a fuel cell.