Ditemukan 2 dokumen yang sesuai dengan query
Herrmann, Norbert, author
Imagine that you’ve finally found a parking space after a long and harrowing search, but are now encountering some difficulty in trying to enter this space. Wouldn’t it be great if you knew a formula that allowed you to enter the space without difficulty? Are you annoyed because your soda...
Berlin: Springer, 2012
e20420584
eBooks Universitas Indonesia Library
Adam, Mike, author
The life-long inventor, Lee de Forest invented the three-element vacuum tube used between 1906 and 1916 as a detector, amplifier, and oscillator of radio waves. Beginning in 1918 he began to develop a light valve, a device for writing and reading sound using light patterns. While he received many patents...
New York : Springer, 2012
e20425849
eBooks Universitas Indonesia Library
