<span>When the delta brainwave frequencies increase into the frequency of theta brainwaves,
active dreaming takes place and often becomes more experiential to the
person. Typically, when this occurs there is rapid eye movement, which
is characteristic of active dreaming. This is called REM, and is a well
known phenomenon.. Hope that helps!</span>
Aerodynamics is the way air moves around things. The rules of aerodynamics explain how an airplane is able to fly. Anything that moves through air reacts to aerodynamics.
<span>Adoptive optics, in
which it’s a lot easier for a computer to constantly monitor and change the
shape of multiple thin mirrors than it is to use a telescope with a large thick
mirror that has to thermally adjust before being able to focus sharply and even
then a large mirror or lens cannot compensate for air turbulence the way
telescope with computer controlled adaptive optics can. </span>
Answer:
the Battery of the phone contains chemical energy which transfers Light and Sound energies.
