A vacuum tube is just that: a glass tube surrounding a vacuum (an area from which all
gases has been removed). What makes it interesting is that when electrical contacts are
put on the ends, you can get a current to flow though that vacuum.
A British scientist named John A. Fleming made a vacuum tube known today as a diode.
Then the diode was known as a "valve,"
gases has been removed). What makes it interesting is that when electrical contacts are
put on the ends, you can get a current to flow though that vacuum.
A British scientist named John A. Fleming made a vacuum tube known today as a diode.
Then the diode was known as a "valve,"
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