“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

  • FLYING HIGHER AND FASTER THAN ANYONEFLYING HIGHER AND FASTER THAN ANYONE
    Hypersonic rocket plane North American X-15. The construction of the spacecraft reusable type Shuttle "Buran" opened a new Chapter in manned space exploration. The design of this type of...
  • SUPPORT-UNIVERSALSUPPORT-UNIVERSAL
    If you saw a Board, as shown in the picture, you get four blanks to build universal support for any rack — for example, the hanger or Christmas tree. Assembly can be done with nails or screws.