Nerves. (Neurones)
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java swings
because of the movement it takes
I'd say it's electrical to mechanical (just guessing)
Electrical energy is changed into mechanical energy
Vision takes place in the eye's retina, where light is converted into electrical signals. These signals are then transmitted to the brain via the optic nerve, where they are processed and interpreted to form visual perceptions.
Interneurons are too slow at sending signals through spinal cord.
An unusual signal from the brain causes involuntary movements of the head and neck. Sometimes it takes a good neurologist to trace down the source of those strange electrical signals.
Neurons carry chemical signals to the brain; there it is interpreted. Most decision making and problem solving (thinking) takes place in the frontal lobe of the brain. Your brain interprets signals and figures out an answer or reaction to the information gathered from your body and senses.
There are several (a lot) of tiny hair like structures inside the ear will vibrate in response to certain sound frequencies. When a hair vibrates, it stimulates a particular cell which sends a signal to the neurons next to it, to the brain. The brain takes all of the inputs and can interpret that as sounds and frequencies. Louder sounds will cause it to vibrate more, so the brain can interpret that as well.
within the battery a chemical reaction takes place which generate the electrical signals in remote.
De Forest invented the Audion tube, a vacuum tube that takes relatively weak electrical signals and amplifies them.
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java swings
It takes time for signals to travel all the way to the brain and relex actions bypass that.
One of the limiting factors on reaction time is the chemical/electrical synapses.
For simple tasks, it's almost instantaneous. For more complex problems , it takes as long as it takes. People assimilate and process things in their own time.