How to build your own air quality meter with a Raspberry Pi and CO2 sensor

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the ...
Plant Services

Take the fear out of going wireless by using a stepwise approach

Plant owners adhere to many technology policies that are now decades old. Owners can re-examine these policies and consider new wireless technologies to capitalize on the data that’s available to make ...
Fast Lane Only on MSN

Exhaust system parts that quietly wear down over the years

Exhaust systems are designed to survive years of heat, vibration, and road grime, yet some of their most important parts deteriorate so gradually that drivers rarely notice until performance or safety ...
IEEE

Directivity of a planar hard-dielectric Fabry-Pérot optical ultrasound sensor

Abstract: A planar hard-dielectric Fabry-Pérot (FP) optical ultrasound sensor was modelled analytically to study how different wave modes affect the directionality. The sensor was modelled as a ...
Crossing Broad

Thanks to Hard Knocks, Two Preposterous Jalen Hurts Accusations Have Been Soundly Defeated

One of the most talked-about sequences from the Chicago loss was the missed connection between Jalen Hurts and DeVonta Smith that would have resulted in a red zone first down, or maybe a touchdown. At ...