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Abstract: Lead Sulfide (PbS) colloidal quantum dots (CQDs) are promising materials for flexible and wearable photovoltaic devices and technologies due to their low cost, solution processibility and ...

The Department of Transportation launched a new campaign to promote civility among air travelers. The campaign encourages passengers to be courteous, dress appropriately, and mind their manners. Some ...

The Department of Transportation has launched a new campaign to promote civility in air travel. Since 2021, there have been 13,800 unruly passenger incidents reported. The DOT encourages travelers to ...