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 ...

A Tesla driver showed how folks can shut off air flow for front passengers, but some say that it doesn’t work on all of the ...

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 ...