Re: Electrostatic actuators to move robots legs...

On a sunny day (Thu, 12 Sep 2024 09:45:30 -0000 (UTC)) it happened Cursitor
Doom <cd999666@notformail.com> wrote in <vbud7q$6hpt$1@dont-email.me>:

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.

You could use gravity to fill the tubes up again with fluid when voltage is removed?
Or use an other compressed tube to push fluid into the empty one that has now voltage removed
Building up the voltages takes energy.

But now, as to that mystery
electron orbiting an atomic core, what keeps it going?
Charge attraction,
right distance and speed keeps it in orbit.
you can say an object in space that is at the right distance and speed from a planet is in an eternal fall.
gravity keeps it in orbit
But there is a similarity there,
is this the same force in an other form.
Just a thought experiment
Our Jeroen from CERN man has referred to a paper that has the whole universe filled with fluid
the math seems to work out it says.

Drifting from subject a bit...
There is a lot of fun in fishicks