A project to replace roadway reflectors throughout the Northwest Region of the Pennsylvania Department of Transportation (PennDOT) will begin Monday. Raised pavement markers (RPM) are reflective ...
Illustration of Biomass in orbit with its mesh reflector deployed. Credit: ESA/ATG medialab CC-BY-SA 3.0 IGO The European Space Agency (ESA) launched a satellite on Tuesday that will "weigh" Earth's ...
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