If you work in education in 2020, you are making tough decisions about how to best reach and teach your learners in the midst of a global pandemic. There is a dearth of evidence to help teachers make ...

The bell rings at 10:00 a.m. A teacher begins explaining quadratic equations. Some students lean forward, pencils ready. Others stare at the clock. A few are still turning yesterday’s lesson over in ...

Synchronous detection is a measurement method where a stimulus is modulated with some frequency and the response is demodulated to bring the signal back down to base band. Performed when a dc stimulus ...