The sensor allows the pilot light to be automatically re-ignited if the flame is no longer present. The circuit is a surprisingly simple one, with a PNP transistor being turned on by the flame ...

As soon as it detects the presence of a flame, it centers itself on the source and speeds over to snuff it out with a fan made from a propeller and a DC motor. Here comes the science: fire emits ...

By examining the Flame Nebula, they are hoping to find the ... With Webb, we're able to probe the faintest and lowest mass objects," said Matthew De Furio, the lead author of the study.