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1. Laser Security System: An EngrTEAMS Curricular Unit

   Teaching Materials | 20 Jun 2022 | Contributor(s):: Patrick Crawford, Erin Fenlon, Corbin Rice, Amanda Johnston, Jeanna Wieselmann, Felicia Leammukda, Kerrie Douglas, Tamara J. Moore

   Laser Security System is an engineering design-based STEM curricular unit. The unit aims to facilitate the learning of major science and mathematical concepts and skills within the Next Generation Science Standards (NGSS) and Common Core State Standards (CCSS) respectively. The unit includes...

2. CDs and DVDs as Diffraction Gratings

   Teaching Materials | 13 Jan 2020 | Contributor(s):: Rama Balachandran, Karen Porter Davis, NNCI Nano

   The objective of this lab is to compare the diffraction behavior of light waves between a CD and DVD. CDs and DVDs contain regularly spaced micrometer sized features which can act like a diffraction grating. Using commercial electronic storage devices like CDs and DVDs as gratings rather than...