Welcome back! Have a great Spring 2017 semester and shine your light on the world! 😎—∆<<<<< #dsu #optics | https://t.co/H34ShZiwGV pic.twitter.com/92lAHdmAHA

— OSCAR Science Center (@DelStateOSCAR) January 9, 2017

Welcome back all! Have a great Spring 2017 semester & shine your light on the world! —∆<<<<< 😎 #dsu #optics

A photo posted by DelStateOSCAR (@delstateoscar) on Jan 9, 2017 at 7:27am PST