More about light (490)

1-12-1996 | The Highway Code and Road Traffic Act stimulate that before starring a journey in his/her car a driver must verify that all the ear's Ii...

1-09-1996 | Although the human eye is unable to detect infrared light, this Kind of light is emitted by many apparatus around us in everyday life....

1-07-1996 | In many countries, there is a legal requirement for can and motorcycles to have lights on whenever the vehicle is moving. In even more c...

1-07-1996 | The low-cost circuit charges two nickel-cadmium cells from the mains to provide a stand-by power supply for a two-lamp emergency light which...

1-07-1996 | Designs that produce sound or light effects are always sure to appeal to a large audience. That is not surprising in itself, because t...

1-06-1996 | A simple switching clock which keeps one light on in the evening hours when you are not at home is no Ionger taken seriously as a burg...

1-07-1995 | In some countries, it is still obligatory for cars parked in the road at night to have their parking lights on. If the car is parked well...

1-06-1995 | A circuit is described that automatically adjusts the flux from a light source (incandescent or fluorescent) in accordance with the ambien...

1-04-1995 | Sun blinds, whether of the traditional awning kind or of the modern metal roller type, provide welcome shade in the summer and , in the ca...

1-03-1995 | This article describes an automatically operating night light with two remarkable features. First of all, a light-operated switch turns th...