Würth Elektronik has revealed two reflective optical sensors. These are simple devices, with an infra-red emitter and a photo-transistor, both facing upwards, but work at an unusual wavelength. “These ...
Remember pandemic shortages? In your household, it may have been toilet paper, flour or chicken wings. For Maine's about 150 craft breweries, the COVID-19 pandemic engendered scary shortages of CO2, a ...
Goodman's book uses vignettes from the COVID-19 pandemic to explain how breakneck deregulation promoted by self-interested business leaders and consultants who prioritized efficiency resulted in ...