Guglielmo Marconi was that person.
telstar 1 was the first satellite to send a live television broadcast
Yes they do send out signals
No, nerves do not send signals. They transmit signals produced by receptors or the brain or spinal cord.
2
Some guys do send signals. Others do not. It really depends on the guy.
Your nerves send signals to the body all around and when it starts the get colder the nerves will send signals for the body to get warmer or when it starts to get hotter the body will send signals for it to get colder in the body.
send signals
Radio frequency signals.
Usually nerves have good capacity to send signals. These signals are send by depolarization waves across the nerve fibers. For re polarization of the nerves, energy is required and if impulses has to be sent more repeatedly than energy can be generated by cells, there will nerve fatigue, for example after an attack of Fit.(Seizer attack.)
this is a silly question. Mixed signals are a two-way street, I would just as quickly ask you; Why do women send mixed signals to men?
neurotransmitters send signals from neuron to neuron