Studies increasingly suggest that schools can safely reopen if the right precautions are followed. The NYT published an animation showing how virus particles can move around a classroom if one student ...

Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris. Being able to ...

Animated feature “Flow,” selected for Cannes’ Un Certain Regard, has debuted an exclusive image and it’s purr-fect. In the dialogue-free film, a flood is coming, quickly devouring everything on its ...