Engineering

Piezo composites with carbon fibers for motion sensors

An international research group has engineered a novel, high-strength flexible device by combining piezoelectric composites with unidirectional carbon fiber (UDCF), an anisotropic material that provides strength only in the ...

Engineering

Study tests firefighter turnout gear with and without PFAS

Transitioning away from per- and polyfluoroalkyl substances (PFAS), which offer water- and oil-repelling properties on the outer shells of firefighter turnout gear, could bring potential performance tradeoffs, according to ...

Business

Amazon faces rising union push in United States

Christian Smalls no longer works at Amazon's JFK8 warehouse in New York, but he still sees former colleagues every day at the bus stop as they head into work.

Business

Drone delivery firm Zipline raises $250 mn for expansion

US-based drone operator Zipline, which has seen pandemic-fueled growth of delivery of vaccines and medical supplies in Africa and the United States, said Wednesday it raised $250 million as it moves to expand globally.

Business

US auto plants get back to work after COVID-19 halts

Two months after effectively freezing American auto manufacturing, Detroit's "Big Three" on Monday began to get back to business with masks, temperature checks and social distancing protocols to try to prevent coronavirus ...

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