Science and engineering

American scientists conducted a study involving nearly three thousand medical professionals and found that cloth surgical masks protect from flu no worse than N95 respirators, which limit the inhalation of particles as small as 0.3 microns.

The Central Research Institute of Precision Engineering (TSNIITOCHMASH, part of Rostec) has created a new type of silencer with a replaceable heat-absorbing module.

Specialists of the Far Eastern Federal University (FEFU), together with their colleagues, intend to begin developing the first fully autonomous underwater robot in Russia with a manipulator