If you get a chance, check out this superb page on zero point energy;
http://www.geocities.com/Area51/Rampart/4871/zeropoint/zeropoint.html
Physicists know that we are immersed in an energetic field. The
existence of zero point electromagnetic energy was discovered in 1958 by
the Dutch physicist M J Sparnaay. Mr Sparnaay continued the experiments
carried out by Hendrik B G Casimir in 1948 which showed the existence
of a force between two uncharged parallel plates which arose from
electromagnetic radiation surrounding the plates in a vacuum.
Mr Sparnaay discovered that the forces acting on the plates arose from
not only thermal energy, but also from another type of radiation now
known as classical electromagnetic zero point energy. Mr Sparnaay
determined that not only did the zero point electromagnetic energy exist
in a vacuum, but also that it persisted even at a temperature of
absolute zero.
This term Zero Point Energy has been based on the concept that even if
matter were cooled down to absolute zero (minus 273OC), in terms of its
temperature, this energy still remains.
Because it exists in a vacuum, ZPE is homogenous and isotropic as well
as ubiquitous. In addition, since ZPE is also invariant with respect to
Lorentz transformation, the ZPE spectrum has the characteristic that the
intensity of the energy at any frequency is proportional to the cube of
that frequency.
Consequently, the intensity of the energy increases resulting in an
infinite energy density for the radiation spectrum.
It appears that this energy is quite intense. Nobel Laureate Richard
Feynman and one of Einstein’s protégés, John Wheeler, calculated that
there is more than enough energy in the volume of a coffee cup to
evaporate all the worlds’ oceans.
We fail to easily recognize this immense energy source as it is
analogous to trying to weigh a beaker of water underneath the ocean.
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