Did the Bluetti Pioneer Na keep working in the freezing cold when most batteries would give up? I tested it to find out.

The specs it's put forward are extraordinary: 400 watt-hours of energy density (roughly double today's lithium-ion cells), a ...

The service’s test center at Eglin AFB is researching whether there are any contractors to lead a project to reactivate a ...

Found in Apple AirTags, the CR2032 button cell battery, also known as a coin battery, is actually surprisingly easy to test ...

Abstract: Electric machines are crucial in modern industries, playing a substantial role in power generation, manufacturing, transportation, and renewable energy. Consequently, extensive research is ...

Stephen Swanson is a web producer at CBS News Minnesota. Stephen was a floor director for a decade before moving to the WCCO-TV newsroom in 2011, where he focuses on general assignment reporting.

Abstract: Single-phasing faults in three-phase induction motors can lead to a significant rise in stator winding temperatures, posing a risk of thermal damage and reduced motor lifespan. While the ...