What if you need to draw a circle, and a compass at hand is not! To get out of this situation by making a simple compass of the bent and strapped to the pencil in the right place for a stylus pen, as shown in the figure.
Recommend to read
TRANSPORTATION, STRETCHING INTO TOMORROW
Many readers were interested in the material "Migomobile — fantasy? Reality!" (1977, No. 11), tells about an unusual engine for transport — the flywheel developed by a group of young...
THE FIRST STEP IN ELECTRONICS
Electronics today referred to as the catalyst of scientific-technical progress. It is really hard to find the field of science or engineering, not electronic engineering. Natural...
