Sudbury Neutrino Observatory Project

	Constructed in Canada; this large international project sought to detect neutrinos from the sun. This endeavor took the construction of a spherical vessel with 1000 tones of Heavy Water (Deuterium) placed 1.2 miles underground. Notice the man for scale in the upper right.
	These are Neutral Current detectors. I assisted in the manufacture and Quality Assurance of these devices for the UW Physics Department. They were strung vertically in the spherical chamber and worked in concert with photomultiplier tubes to detect the neutrinos.
	Photomultiplier tubes eventually surrounded the sphere. These looked for the miniscule flashes of light that subatomic collisions can give off.