More about solar (180)

1-07-1987 | Jul„P ugust 19E8 SOLAR POWER GENERATION The sun converts 600 million tons of hydrogen into helium through nuclear fusion every second, and...

1-06-1985 | While here on earth we discuss, seemingly ad infinitum, the pros and cons of alternative energy sources, there is not far from us — a mere...

1-07-1983 | elektor july/august 1983 solar tracking system There are some hopes that the sun will become a main source of energy in the 21 st century. B...

1-07-1982 | slave flash trigger A triggering circuit for slave flash guns ensures that the "slave", flashes simul- eye. taneously with the main or maste...

1-11-1981 | solar powered receiver elektor november 1981 — 11-23 rolar powered receiver, 4) , The need to save energy has become a daily part of our J...

1-07-1981 | solar powered pocket torch Pocket torches are handy things, but they have one great drawback: at the most inconvenient moments their batteri...

1-07-1979 | Sun I ight is now recognised as an important source of `alternative` energy, and the use of solar panels to convert the sun`s rays into elec...

1-07-1977 | Most amateur constructors will have one or two burnt out power transistors lying about in their junk box. If at least one of...

1-07-1976 | The basic circuit of a mono- stable using CMOS NOR-gates -is given in figure l. The disadvantge of this simple circuit is that the out...

1-07-1976 | Solar water heaters are becoming popular due to the current interest in energy conservation. Water is pumped through solar collectors...