Learning by Refraction offers a fresh take on Ignatian pedagogy, curating what's most helpful from the latest education research and consolidating what has been

Retinoscopy is an eye exam that determines the refractive error of the eye (long sighted, short sighted, astigmatism). A refraction test indicates the strength

After an attack on earth, all reflective surfaces become weapons to release monsters, causing a planet-wide ban on mirrors. Despite the danger, the demand rises

Learn about the revolutionary new technology of negative-refractionmetamaterials Negative-Refraction Metamaterials: Fundamental Principles andApplications intro