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Louisville mayor recommending $16M budget surplus go toward police, fire, and EMS equipment
Louisville's mayor said the city has a budget surplus of more than $16 million, and he is proposing it be used to invest in police, fire, and EMS equipment. Mayor Craig Greenberg said Monday that he ...
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The evolution of bike helmets: From plant rinds to high-tech materials
The class covers many topics, but particularly helmets, as they're used in many different sports, including cycling, and the ...
From using plant rinds to high-tech materials, bike helmets have improved significantly over the past 2 centuries
Helmet makers continue to innovate. Today, many commercial brands use a hard polyethylene terephthalate, or PET, shell around ...