Fully tempered glass and spontaneous fracture

By Christopher J. Brandmeier, PE, John A. Jackson, AIA, and Thomas A. Schwartz, PE Nickel sulfide- (NiS) induced spontaneous fracture of fully tempered glass. Image courtesy Simpson Gumpertz & Heger This article was originally published in July 2018 by John A. Jackson and Thomas A. Schwartz. It has been refreshed and updated to further expand on […]
Virginia Tech unveils hard hat, helmet rating system

Listen to the article 3 min This audio is auto-generated. Please let us know if you have feedback. Dive Brief: Virginia Tech’s Helmet Lab has released a first-of-its-kind rating system for construction hard hats and helmets that mirrors rankings used for sport helmets. The findings, shared publicly Monday, indicate that Type II helmets — or […]
Why employers can’t afford to wait for an I-9 audit or an ICE raid

Alejandro Pérez is a partner at Pierson Ferdinand and board president of the ACLU of Arizona. In 2025, U.S. Immigration and Customs Enforcement audits are showing up with teeth, and employers, particularly those in construction, healthcare, logistics and agriculture, are finding themselves unprepared for the speed and intensity of workplace enforcement. With just 72 hours’ […]