Thanks to Kove for sponsoring this video! Use my code AR64 to get more than 60% off the Kove Audio Noise Canceling Headphones here: http://koveaudio.com/ar64
Discount/free U.S. shipping subject to change after July 14.

"Baking Powder Wars: The Cutthroat Food Fight that Revolutionized Cooking," by Dr. Linda Civitello: https://www.press.uillinois.edu/books...

Thanks to Dr. Rebecca Regan, formerly of Kansas State University, for scientific consultations.

My (very) old video about phase cancellation:    • How to remove vocals from a song, and...