It’s notoriously difficult to predict when the sun will belch out a large solar flare — an explosive burst of radiation that directly affects Earth’s atmosphere.

If you turn the spotlight over, you'll notice an on/off switch on the reverse. However, if you are operating the switch in the daylight you won't be able to tell whether it is on or off. Simply place ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ultraviolet light before a solar flare, which could act as an early warning system ...

The flickering LED flame effect lasts six hours or more ... I found the PIC torch at a local hardware store. This handsome solar-powered torch light was an insect killer, too, so how could I ...