More about bulb (8)

1-01-2020 | Better lights are on the wish list of many car drivers whose vehicles are not equipped with xenon or LED lamps by the manufacturer. After al...

1-03-2019 | Back in April 2018 we asked our readers to send us their suspect LED lamps so we could investigate how much interference they actually gener...

8-08-2017 | A softly burning and quietly crackling fireplace has imminent attraction to people and pets, but not everyone can afford to have the real th...

16-05-2016 | Exquisitely timed for the upcoming European Football Championship, OSRAM have released the LIGHT CHAMPION, a 12-V car headlamp that produces...

20-01-2016 | but not the ones with tungsten wires, these are now collector’s items and only available from under the counter. Using a technology called n...

16-06-2013 | I designed a device that can simulate very well a fireplace. It needs 120V light bulbs (or anything that is dimmable). We can use one set of...

1-10-1996 | With the electric-bulb tester you cannot only verify whether a bulb is still in working order, but, if so, also find its wattage. True,...

1-12-1990 | The circuit presented here guarantees that if bulb La1 gives up the ghost. bulb La2 will take over its task, 50 that there is always ligh...