EFree Neutron Techniques Coordinator Chen Li and Affiliated Scientist Bianca Haberl will host an EFree Neutron Day at the Spallation Neutron Source on Thursday, December 10.  Following up on the successful Nanothread Day at Penn State in April 2015, the Neutron Day will give personnel from across the Center an opportunity to share ideas and plan for the future application of neutron techniques to energy materials problems.