I'm a university student studying computer science. I'm currently trying to read Donald Knuth's 'The Art of Computer Programming'. I'm finding the maths in the book very difficult; even the first few chapters are hard for me to get my head around.
Can anyone recommend a book that will provide...
Historically (pre-WWII) "transmitting tubes" were among the most powerful tubes available. These usually had directly heated thoriated filaments cathodes that glowed like light bulbs. Some tubes were capable of being driven so hard that the anode would itself glow cherry red; the anodes were...