A demonstration of how a source of light is required to see objects in the dark. The presenter shines a torch around a dark room and sees shiny and white objects. The presenter also shows Boffin ...

But other than that, this homebrew cold plasma torch (YouTube ... The result is a faint blue glowing flame that’s barely above room temperature but still has all the reactive properties of ...

The torch is made of carbon fiber and aluminum, and the flame consists of a mixture of lights and special effects. Before each game, a special guest lights the torch. Raiders legendary head coach ...

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 ...

The PIC torch gives a realistic flickering fire effect without the hassle of a real torch. The light output is warm and lights up the area with a lovely ambiance.

A demonstration of how a source of light is required to see objects in the dark. The presenter shines a torch around a dark room and sees shiny and white objects. The presenter also shows Boffin ...