There is often the questions about which motor shows the highest efficiency. In particular when talking about applications with limited power supply, such as a battery driven tool or a solar panel powered satellite. It’s worth expanding the question to the full drive system consisting of controller, motor, gearhead and other mechanics…
UK not prepared for climate impacts, says CCC
Perhaps a Longtitude prize to solve railway line problems. "extreme heat causing further disruption through rail buckling and power line...