Engineers, unite! Harness the power of perovskite. This is Episode 78 of Engineering Word Of The Day, an informal show on favorite, fascinating, or funny words and phrases used in various engineering disciplines.

Cover art by Cadmium at English Wikipedia - Transferred from en.wikipedia to Commons., Public Domain, https://commons.wikimedia.org/w/index.php?curid=2527511

Originally published July 29, 2019.