rebecca hazy 2 Chemical engineering student Rebecca Hazy spent the summer building a water quality monitor sensor with the 3-D printer at Penn State Greater Allegheny. View Photo
3-D printer screen The 3-D printer screen, showing part of Rebecca Hazy's water quality monitor sensor. View Photo
Rebecca Hazy 1 Chemical engineering student Rebecca Hazy uses the 3-D printer to build a water quality monitor sensor. View Photo
