| The circuit based on transistors T1 and T2 forms a rectangular-wave generator. The values of resistors R2 and R3 and of capa citors...
More about Water (113)
| The very real advantages of an active probe over a passive one are that loading caused by large cable capacitances is prevented and that...
| Exposing hard water to an electrical field causes calcium-carbonate crystals and other minerals to join and form larger crystals. At leas...
| In most small solar power systems using a boiler it is required that the water circulation pump is not switched on until the temperature...
| In some countries, the water supply is irregular at most times: in many other countrie at times of a drought. A means of making this less...
| If you have a non-qwerty keyboard and would like to use this with your computer without having to reIearn where the deviating keys are, this...
| Everyone should clean his teeth a tleast a couple of times a day. Dental research shows that cleaning one's teeth for three minutes at a...
| Throw a stone the size of a golf-ball inro a can of water the size of a tea-cup und see what happens: virtually all points on the surface...
| The fluid level indicator may be used, for instance, in the fresh water tank on board yachts, or in mobile homes or caravans.
| This little unit may be used to give an audible alarm when, for instance, a washing machine hose has burst, or when it starts to rain so you...