When you need to pour the liquid in a bottle with a narrow neck, you always use the old reliable and proven method: inserted into the hole daddy or thin wire of a suitable diameter so as not to touch the walls. The liquid in this “vortex” flows gently and smoothly.
Y. BOGOYAVLENSKIY, Kazan
Recommend to read
AEROCYCLE
The idea of creating this vehicle originated with me a long time ago, after watching a story in the “You Can Do It” program about skiers with backpack aeropropulsion. It was clear that...
CARING MACHINE
Sometimes the competition for RC model, not obeying commands, is out of sight. Flies knows where the result of months of labor and expensive equipment. A simple automatic device...