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Friday, November 18, 2011
NUCLEAR POWER HOUR
1:23 PM
Nakoici
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Researchers claim
,
the nuclear
clock
which
has a
thorium
nucleus
is
controlled
in this way
will only
miss
up to
one second
over a period of
200 billion a
year
.
(
sciencedaily.com
)
For years
,
the atomic clock
is considered as
the most
accurate
device
to
show
time
.
Clock
that uses the
size
of sub
atomic
particles
that move
several
times
per second
is
almost never
make mistakes
.
However
, now the
atomic clock
reliability
as
the most
accurate
clock
in the world
will likely be
displaced by the
hour
because of
a natural
nuclear
, nuclear
is more
resistant to
interference
from the outside
compared to the
atom
and
create
the appearance
of potential errors
is lower.
Quoted
from Science
Daily,
10 November 2011
,
although the
atomic clock
to measure
a certain
number of
vibrations
per second
,
outside forces
such as
magnetic and electric fields
can
affect the
electrons used
in atomic clocks
.
This
could potentially
lead to
errors
.
On the other hand
,
the particles
used in the
nuclear
clock
that measures the
vibration
and
also
determines the time
,
can be triggered
using
low-
energy
ultraviolet
light
.
This
resulted in
the influence of
factors
external to the
system
that is in the
lower
atomic clocks
.
With
this method
,
Corey
Campbell
and
his fellow
researchers from the
Georgia
Institute
of Technology
,
Atlanta
,
United
States
has made a
scheme
that uses
a laser to
control the
spatial orientation
of the
orbits of
electrons
in the atom
.
Researchers claim
,
the nuclear
clock
which
has a
thorium
nucleus
is
controlled
in this way
will only
miss
up to
one second
over a period of
200 billion a
year
.
However,
before the
nuclear
clock
can
be realized
,
researchers must
identify
the exact
frequency of light
needed
to trigger
the
thorium
nucleus
.
Posted in:
teknologi
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