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- Morse code (33777 bytes)
11: ...length of the Morse characters made it hard to adapt to automated communication, so it was largely rep...
13: ...tters, was developed in Germany and eventually adopted as the worldwide standard as "International Mor...
23: When Morse code was adopted to radio, the dots and dashes were normally sen...
31: ..., for example: many [[Nokia]] cellphones have an option to beep SMS in Morse code when it receives an ...
46: ...iocommunication Conference of 2003 (WRC-03) made optional the international Morse code requirement for... - Lightning (33113 bytes)
6: ...duced during a [[thunderstorm]]. Lightning's abrupt electric discharge is accompanied by the emission...
16: ...d [[thunder]]. He ran home with his engraver to capture the event for posterity. While the experiment ...
22: ...still the subject of research, but one widely accepted theory is the polarization mechanism. This mec...
28: ... within the ash clouds from [[volcano|volcanic eruptions]]{{ref|usgs_hvo}}<sup>,</sup>{{ref|noaa_galgu...
97: ...ry'' lightning bolt between cloud and ground attempts to produce a sprite or a sprite halo. Research i... - Capacitor (29664 bytes)
62: *[[PTFE]] or [[Teflon]] ™: higher performing and ...
72: ...t]] else the oxide layer will break down and be ruptured, causing the capacitor to fail. In addition, ...
74: ...gnal coupling), this type of specification is acceptable.
82: ...lectrolyte, with the voltage of each puck being kept below 1 volt. Current is carried through the non-...
96: ... two electrodes which are immersed in a varying depth of liquid. - Electricity (13894 bytes)
8: ...[[Dendera light]]. Other devices discovered in Egyptian and other archaeological digs have been allege...
22: ...f public opinion]] as to which system would be adopted as the standard for power transmission (known a...
24: ...Topsy the Elephant]]. AC power was eventually adopted as the standard. - Magnet (13875 bytes)
37: If the coil of wire is empty in the center, it will tend to generate a very w...
48: To understand the concept of poles, imagine a row of people who are all fac...
74: ...Standard microphones are based upon the same concept, but run in reverse. A microphone has a cone or m...
96: ...sed through it. The alternating current will disrupt the long range ordering, in much the same way tha... - Leyden jar (3953 bytes)
5: ==Description==
16: ...ysicist [[James Clerk Maxwell]] invented the concept of [[displacement current]], d'''D'''/dt, to make...
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