Question

 Who invented the vacuum tube?

Answer While perfecting the light bulb in 1883, Thomas Edison accidentally discovered electric current can travel through a vacuum without the assistance of wire, according to the Public Broadcasting Serv... Read More »
http://www.answerbag.com/q_view/1983171

Top Q&A For: Who invented the vacuum tube

Who invented the radio vacuum tube?

The origins of the vacuum tube are found in Thomas Edison's accidental invention of the diode in 1884, which he did by inserting a sheet of metal between two glowing filaments while working on the ... Read More »
http://www.answerbag.com/q_view/2035316

Who invented the triode vacuum tube?

Lee De Forest invented the triode vacuum tube in 1906. He did so by adding a third electrode, known as grid, between the filament and the plate of a diode. It enabled the amplification of a weak vo... Read More »
http://www.answerbag.com/q_view/2400315

Can a vacuum tube be repaired?

I wouldn't go more than three. But if it was in the freezer, maybe a few weeks.
http://wiki.answers.com/Q/Can_a_vacuum_tube_be_repaired

What is a vacuum tube?

Vacuum tubes were the predecessors of transistors--essentially, high-voltage amplification devices that made many of technological advances possible. New technologies--some involving microwaves--ar... Read More »
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