More about light (490)

1-07-1993 | Most modern voltage regulators have an integral current limiter. These are, unfortunately, normally provided with a thermal 'fuse', whic...

1-06-1993 | Making an audio signal visible on a display is something that appeals to many audio & hi-fi enthusiasts. Most commercial audio equipment...

1-01-1993 | Virtually all modern cars have a built-in alarm to warn if you have left the lights on when you are getting out of the car. There are, how...

1-07-1992 | There are many cars on the road that could do with an extra brake light, particularly one high up that can be seen by the third, fourth o...

1-04-1992 | Diode lasers that operate from the near ultraviolet to well into the infra-red region are common place and used, among others, in optical...

1-03-1992 | Many people nowadays do a lot of cooking in their wok, usually on agos or electric stove, but the idea outlined below, which I have been u...

1-12-1991 | The switch circuit, intended for low-voltage halogen lights, extends the life of the lamps, because it ensures that the filament current...

1-12-1991 | Pop music and light effects are inseparable. The circuits that make the effects possible vary from simple to camp lex. The circuit presen...

1-12-1991 | Many young children will insist on keeping the bedside light on for a couple of minutes after the storybook has been closed and father or...

1-10-1991 | Last month we discussed the basic theory behind optical fiber systems. It was learned that fiber optics are the light equivalent of microw...