| Researchers at the Ecole Polytechnique Federale de Lausanne in Switzerland have studied the behaviour of a particular type of mechanical, ai...
More about Theory (26)
| Today some aspect of chaos theory is often seen in science magazines and even newspapers. Does it have any relevance to radio and othe...
| Many experts in the field query the use of sinewave signals to test amplifiers and other audio gear. Although a rectangular signal is i...
| A beam tetrode employs principles not found in other types of valve: the electron stream from the cathode is focused ('beamed') towards the...
| Last month we examined the basic theory of loop antennas, and demonstrated some of the basic forms of loop antenna, resonating methods and...
| As already stated in Part 1 of this two part article, the EMCDl rective must be taken into consideration when the marketing, and thus the...
| Although it is bound to be replaced within a foreseeable period by environmentally safer types, the nickel-cadmium (NiCd) battery is still...
| The circuit presented here is a dual thermometer that indicates the difference between the temperature indoors and out of doors with the a...
| To achieve a comfortable room temperature quickly it is often required to switch on the central heating (CH) boller tor ten minutes or...
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