Surface tension

A needle can float on the surface of water due to the forces of surface tension. Surface tension effects play a role at small scales, where they dominate the effects of gravity.
Our partners:
airvoice.global
Airvoice produces comprehensive air quality monitoring networks and services for urban areas; digital twins and monitoring networks to forecast and manage air quality for industries; indoor air quality monitoring and management system for buildings.
dnair.in
DNAir brings to the Indian market unique air supply technology for clean and healthy indoor climate. Breathe Himalayan-like air even in Central Delhi.

[@roneetlenkapinkun9027]

wow interesting

[@user-cw7wy2dz5u]

Где наш родной??

[@vadipp]

На соседнем канале :)