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Protein Conservation 3
17915475
Electrons Move
Moving electrons can hit a pixel. What do we know
were electrons come from, and can we aim them?
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<font size="5" face="verdana, arial, sans-serif">Moving electrons account
for lightning and the operation of every electrical device in your house
and school—from TV-sets, computers and I-Pods to refrigerators and
dishwashers—as well as all electrical objects in cars, trucks, trains,
planes, and boats.</font>
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<font size="4" face="verdana, arial, sans-serif">From ancient times people
have observed moving electrons without knowing it. In the picture, you can
see lightning - a flow of electrons from the negative charged clouds to
positively charged Earth. Many <b>billions</b> of electrons are moving at
a speed of about 100 million feet per second.<br><br></font><font size="4" marginheight="5" face="verdana, arial, sans-serif" marginwidth="10">THE
EIFFEL TOWER AS A COLOSSAL LIGHTNING CONDUCTOR. Photograph taken June 3,
1902, at 9.20 p.m., by M. G. Loppé. Source: NOAA Historic Library
Collection .<br><br></font>
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<font size="4" face="verdana, arial, sans-serif">To your right, you can
see an everyday case of electrons flow. The spark between the finger and a
door knob is a flow of electrons. Electrons were accumulated in the
person’s body probably after walking on a carpet or wearing certain cloth
capable of giving away electrons after a close contact was followed by a
rapid separation of the materials, such as in rubbing.<br><br></font>
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<font size="4.5" face="verdana, arial, sans-serif">In the late 1800s
scientists observed a fluorescent streams of electricity traveling in a
glass tube, but no one knew what the rays were made off. J.J. Thomson in
the UK placed the rays in electric and magnetic fields and saw how the
fields move the ray as they would move particles. He called them
"corpuscles". Later Thomson and other scientists found the mass of the
"corpuscules" and proved each carry a single electric charge. The electron
was discovered.<br><br></font>
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electronsandatoms1.cml
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intro2.cml
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