This walking water science experiment is a fun and easy way to engage children to learn. It shows them how capillary action works and the results are immediate. It’s such a fun way to teach kids STEAM, and with Valentine’s day coming up, why not make it a heart-shaped experiment. Grow LOVE of science with this colourful and fun experiment. ⭕ MATERIALS:⠀ - 10 glasses - Food colouring - Paper towels - Water ⭕ INSTRUCTIONS:⠀ (1) Place five glasses of water and add food colouring (2) Next to each gl

Capillary tubes create a really tight environment where refrigerant molecules collide with the walls of the copper. They're important, and they have some special considerations while brazing and repairing them. Roman taught a class all about capillary tube repair and brazing, which you can watch at https://buff.ly/6VrO07r. | HVAC School