The WSJ's Diana Jou reviews three gadgets powered solely by water, fire and light.

Packing light is the golden rule of travel, but some gadgets are simply too handy to ... or other devices stay powered up no matter where you are. Look for one with multiple USB ports to charge ...

OpenAI's new gadget, if it ever sees the light of day, will not be a rival to iPhone but will more be targeted at the Humane ...