Re: Electrostatic actuators to move robots legs...

On Thu, 12 Sep 2024 05:00:38 GMT, Jan Panteltje wrote:

Artificial muscles propel a robotic leg to walk and jump:
 https://www.sciencedaily.com/releases/2024/09/240909113111.htm
 
quote:
 "
 The actuators are oil-filled plastic bags, similar to those used to
 make ice cubes.
 About half of each bag is coated on either side with a black electrode
 made of a conductive material.
 Buchner explains that "as soon as we apply a voltage to the electrodes,
 they are attracted to each other due to static electricity.
 ...
 "
And press the fluid out....
So electrostatic actuators!

How does that not violate thermodynamics? You seem to be getting useful
power from zero energy.