If you are one of those
outdoor types who loves to explore dangerous environments, watch closely. This video shows what can
happen when a crocodile decides to eat an electric eel for dinner. It is an amazing, albeit gory, sight
to behold. In a more urbane demonstration of the electric eel's potential (pun intended), an aquarium
in Japan lights a Christmas tree with the charge supplied compliments of the beast in the tank. The
electric
eel is actually not an eel, but a knifefish. It breathes air at the surface, then dives for 10 minute
periods. It can generate up to 500 volts at 1 amp (500 watts), delivered at 10 Hz up to a few hundred
Hz. Recall that it only takes 1/10 amp to kill a man. At 500 V, a body resistance of less than 5 kΩ spells doom.
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling
2 MB. Its primary purpose was to provide me with ready access to commonly needed
formulas and reference material while performing my work as an RF system and circuit
design engineer. The World Wide Web (Internet) was largely an unknown entity at
the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps
while tying up your telephone line, and a lady's voice announced "You've Got Mail"
when a new message arrived...
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