Playing the electric guitar that uses the effect of “wah”, artist often have to press a pedal of a special electronic device. This often distracts the attention of the guitarist. In the console, the description of which we offer today, control the “wah” is made automatically from the signal of an electric guitar — like playing solos and chords. The device can be used with the pedal “wah”, in which alteration of the timbre is a variable resistor.FLUX PENCIL
When finished, do not rush to sweep away the iron filings: putting them on paper with the help of the charge from the back of the magnet and adding rosin, it is possible to make flux for soldering pencil. It is particularly effective when the tinning of aluminum. Pour the molten rosin with the addition Read more…
Often in business-industrial practice there is a need to transfer thick (and not) liquids from containers of large volume, for example—from the barrel. It’s not necessary to have a special pump, especially in the workshop of homebrew: master himself can assemble from readily available materials simple device, suggested by doctor of technical Sciences V. Artemyev.
Increasingly in forestry a method of growing seedlings of valuable species of trees not from seeds but from cuttings. It is one thing to cut the stalk from the fruit tree — here a hand will reach for any branch. And how to deal with such forest giants as pine, birch, cedar, larch?