surface tension

To me, this is the perfect representation of the tension in a musical phrase,  

that is passed from one person to another, or from one statement to the next;

or the energy of interaction between people, 

the transferring of information, emotion, love or compassion through something difficult. 

"What happens when you wring a washcloth out in zero gravity? Something cool.

Commander Hadfield is the best. I love when he casually lets go of the wireless mic and it just floats there right in front of his face."

via {kottke}