Imagine balancing a ruler vertically in the palm of your hand: you have to constantly pay attention to the angle of the ruler ...

Though it might feel great to finish a workout and see "calories burned" pop up on your smartwatch, that number is often surprisingly inaccurate, with estimated error rates of 30%–80%. The watch's ...

This webinar explains how upcoming UL 9540A (2025) and NFPA 855 (2026) updates will change fire testing, design, and permitting for large battery energy storage systems, illustrated by real-world ...