Rapid technological advancement is often triggered by external events such as international conflicts, political pressure, economic downturn, competitions or disease. The COVID-19 pandemic...
News: LEDs 7 September 2020 Ultraviolet LED product maker Seoul Viosys Co Ltd (a subsidiary of South Korean LED maker Seoul Semiconductor Co Ltd) says that, using...
HVAC, ventilation, and filtration
Ventilation and filtration provided by heating, ventilating, and air-conditioning (HVAC) systems can reduce the airborne concentration of the virus that...