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If 84c3a - 2caac = bbc21 find number abc. Multiple solutions may exist.
What Is In Front Of A Woman, And The Back Of Cow?
There are two incomplete words. Place three (3) letters in bracket so that you can complete the word on the left and begin the word on the right.

Edison patent

In 1882, Thomas A. Edison was issued a patent for an improvement to the telephone (No. 252,442). It described a carbon microphone. Finely divided conducting material, such as carbon, between metal cups mounted on arms is attached to the mouthpiece diaphragm. As sound waves directed through the mouthpiece move the diaphragm, the arms change the pressure on the carbon button which in turn varies an electric current passing through the carbon button. Changes in the current correspond to the pitch and amplitude of the sound. One arm conducts the electrical current to the carbon button, and the the other from it.

Chuck Norris can divide by zer...

Chuck Norris can divide by zero.
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