Don't drain your phone's battery, use dedicated lights instead. USB rechargeable flashlights can draw power from battery banks, portable power stations, generators, and or even a car. Solar-powered ...

The high-flux density solar furnace and the xenon high-power spotlights operated by the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) are used to generate irradiances of up ...

The Northern Lights may have been visible across regions of the world in 2024 that are not used to seeing aurora, but despite solar activity being at a 23-year high there has been no truly extreme ...