“DIMENSIONLESS” ROD

If in a ballpoint pen out of toothpaste, and long rods at hand was not, take the short splice and its extension from the part used stem, cut off from the writing site. To the working rod wrote flawlessly, its tube should be communicated with the atmosphere. Therefore, carefully wash the extension after removing it the bulb.
 
N. RYZHOV, Ust-Kamenogorsk

Recommend to read

  • THE TABLE… IN A DRAWERTHE TABLE… IN A DRAWER
    In many homes the old layout with small square kitchen, one common problem: how best to use this humble stock of square metres? Many find the solution to this difficult problem in the...
  • MOTOR GLIDERMOTOR GLIDER
    This hang glider in appearance very simple. Outwardly, it resembles a paper dove. But behind the apparent simplicity hides a precise calculation.   To build the necessary dry...