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Digital
Microscopy and Its Uses in the Classroom: An
Overview
A microscope
is an instrument that produces enlarged
images of small objects, making it possible
for us to view them at a scale convenient
for us to see them more clearly.
The magnifying
power of a microscope indicates the number
of times enlarged the object we are looking
at seems to be. The resolution of a
microscope is a measure of the size of the
smallest detail on the object we can
observe.
The most
familiar type of microscope is the optical,
or light, microscope, in which lenses form
the image we see. Simple optical microscopes
have strong magnifying powers and
resolution. They enable us see details and
the real beauty of objects.
When we
connect the light microscope with
high-quality
digital cameras, it becomes part of a
digital imaging system or digital-image
microscope, which adds an entirely new
flavor to the objects we are looking at.
Digital image
microscopy enables us to enhance, restore,
even measure, and analyze images. Digital
image microscopy techniques can work for
both three-dimensional and two-dimensional
images. We can also use this technique to
make objects more fluorescent.
The
conventional light microscope is fast
becoming a historical artifact. The advent
of reasonably priced high-resolution digital
microscopes is here and many schools are
using them to inspire students to cultivate
the scientific mindset.
You can even
connect the digital microscope to a PC,
which enables students to view generated
images, save them to disk or intranet and
share them with their friends in other
schools or classes.
Children can
easily use the digital microscopes used in
schools-their designers had children in mind
and designed them for beginners like you.
You can use
digital microscopes as self-supporting
magnified web-cams or just as microscopes.
They usually come with sample packs and have
different power settings you can use to
enlarge images to your wish. You can also
take snapshots and videos with them that are
in standard formats so you can use them with
other files.
What more facts
do you need to know about digital
microscopes? To use one successfully, you
need to know about its different
magnifications. You need to how you can take
a snapshot and save a picture with it.
It will be fun
using your digital microscope to see an
enlarged picture of a fly, a drop of water,
or a spider showing on your screen! Imagine
watching the animals move, seeing details of
their eyes and legs, and watching them eat,
then describing what you saw in your own
words. Imagine what some part of a leaf
looks like magnified a couple of times.
You can
magnify what you like with a digital
microscope-a flower, lead tip of your
pencil, a hair strand, a piece of paper, a
coin, a grain of sand or salt. You will see
a different picture than what you are
looking at with your naked eye. Digital
microscopy opens your eyes to a brand new
microscopic world and what you see will
simply amaze you.
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