Vacuum Tubes and Early Electronics — Graph — sahil.science

Almanac A Third Wire Taught Current to Shout

What could Fleming's two-electrode vacuum tube do, and what could it not do?

Almanac A Conversation Crosses the Ocean

What engineering problems had to be solved to enable two-way voice communication across the Atlantic, beyond simply sending a one-way signal?

Almanac Electrons Boiling Off a Hot Wire

How did a precise theory of electrons boiling off a hot filament make vacuum tubes possible for early radio and television?

Almanac Eighteen Thousand Tubes to Aim a Gun

How large and how failure-prone was ENIAC once it was built, with its roughly 18,000 vacuum tubes?

Almanac A Wardrobe-Sized Machine Reads the Enemy's Mail

How did Colossus use vacuum tubes and electronic logic to process paper tape faster than earlier electromechanical machines?

Almanac Thirty Tons, Five Thousand Sums a Second

What were ENIAC's physical specifications in terms of size, vacuum tubes, and power consumption?
Why did ENIAC break down so frequently, and how did operators cope with its unreliability?

Almanac Two Gold Contacts, No Tube in Sight

What problem with vacuum tubes was Shockley's group at Bell Labs trying to solve using semiconductor materials?

Almanac A Sliver of Germanium Learns to Amplify

How did replacing vacuum tubes with transistors change the physical size and power demands of computers?