There’s been a fire. Investigate the burn patterns and figure out where the fire started and how.
Fire safety is a complex problem without a single answer. Learn how to engineer and design fire-safe spaces.
Safe and sustainable cities will depend on lithium-ion batteries to power our modern lives. But what are the costs?
Lithium-ion batteries in your favorite devices make our daily lives possible, but they also come with risks. Join the search for safer solutions.
A lithium-ion battery is one type of battery. These batteries are powered by the movement of lithium ions between electrodes and are small and powerful.
Explore this interactive to understand: What components form a lithium-ion battery?
Be sure to explore the investigation that supports this interactiv
© 2026 Underwriters Laboratories Inc. All rights reserved.