If the room is cold, and you work at a Desk and do you have cold hands — warm them, here is an unusual mini-fireplace, build which is not particularly difficult. You only need a curved polished metal sheet on a heat-resistant stand, and a bunch of tablets of dry alcohol, familiar to tourists and hunters.
Recommend to read
MICROMACHINERY
The sled with the motor for the little ones. Before to introduce the following proposed material, I want to remind small note in No. 2 of our journal in 1979 — "Folding sled". Because...
THE WAY TO “EAST”
The subject of today's article - geophysical rocket R-2A. In previous publications we described in detail the technology of making copies of R-1 and R-2. The same technology used to...