This basic beat oscillator makes continuous wave keyed code and single sideband suppressed carrier signals audible.

Frequency combs are light sources with a spectrum that comprises a series of sharp, equally spaced lines. The frequencies of these lines are known to a very high degree of accuracy, which makes ...

More than a decade ago, Dr. Matthew Hebb was treating patients with Parkinson's disease using deep brain stimulation by implanting tiny electrodes into the brain and delivering electrical signals to ...

Purdue’s Presidential Lecture Series is a cornerstone of the intellectually vibrant community of scholars on our campus. Universities are places where ideas compete and curious minds gather, ...

Join students in college classrooms to hear lectures on topics ranging from the American Revolution to 9-11. Covering American History C-SPAN style: with event coverage, eyewitness accounts, and ...

Restaurateur, author, and Tishman Environment and Design Center visiting scholar Massimo Bottura recently organized the “Zero Waste Food” conference with New School Professor Fabio Parasecoli.

Compact, lightweight, and energy-efficient cold-atom systems are foundational for the development of deployable quantum ...